---

yaml
---
r: 168719
b: refs/heads/master
c: 2d5bc23
h: refs/heads/master
i:
  168717: 891b83f
  168715: 2e79001
  168711: d0ab04b
  168703: 98fbea8
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ff854ce0b17161a86b5ae444c6cb0aa221720fab
+refs/heads/master: 2d5bc23b32e0ec6fe9c1cdd9f371063881dc1ffc

trunk/MAINTAINERS

@@ -3084,9 +3084,13 @@ F:	kernel/kgdb.c
 
 KMEMCHECK
 M:	Vegard Nossum <vegardno@ifi.uio.no>
-P	Pekka Enberg
-M:	penberg@cs.helsinki.fi
+M:	Pekka Enberg <penberg@cs.helsinki.fi>
 S:	Maintained
+F:	Documentation/kmemcheck.txt
+F:	arch/x86/include/asm/kmemcheck.h
+F:	arch/x86/mm/kmemcheck/
+F:	include/linux/kmemcheck.h
+F:	mm/kmemcheck.c
 
 KMEMLEAK
 M:	Catalin Marinas <catalin.marinas@arm.com>

trunk/drivers/char/tty_port.c

@@ -221,6 +221,9 @@ int tty_port_block_til_ready(struct tty_port *port,
 	   the port has just hung up or is in another error state */
 	if ((filp->f_flags & O_NONBLOCK) ||
 			(tty->flags & (1 << TTY_IO_ERROR))) {
+		/* Indicate we are open */
+		if (tty->termios->c_cflag & CBAUD)
+			tty_port_raise_dtr_rts(port);
 		port->flags |= ASYNC_NORMAL_ACTIVE;
 		return 0;
 	}

trunk/drivers/scsi/bfa/bfad_fwimg.c

@@ -41,6 +41,8 @@ u32 *bfi_image_cb;
 
 #define	BFAD_FW_FILE_CT	"ctfw.bin"
 #define	BFAD_FW_FILE_CB	"cbfw.bin"
+MODULE_FIRMWARE(BFAD_FW_FILE_CT);
+MODULE_FIRMWARE(BFAD_FW_FILE_CB);
 
 u32 *
 bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image,

trunk/drivers/scsi/bfa/bfad_im.c

@@ -948,7 +948,7 @@ bfad_os_fc_host_init(struct bfad_im_port_s *im_port)
 	if (bfad_supported_fc4s & (BFA_PORT_ROLE_FCP_IM | BFA_PORT_ROLE_FCP_TM))
 		/* For FCP type 0x08 */
 		fc_host_supported_fc4s(host)[2] = 1;
-	if (bfad_supported_fc4s | BFA_PORT_ROLE_FCP_IPFC)
+	if (bfad_supported_fc4s & BFA_PORT_ROLE_FCP_IPFC)
 		/* For LLC/SNAP type 0x05 */
 		fc_host_supported_fc4s(host)[3] = 0x20;
 	/* For fibre channel services type 0x20 */

trunk/drivers/scsi/gdth.c

@@ -2900,7 +2900,7 @@ static int gdth_read_event(gdth_ha_str *ha, int handle, gdth_evt_str *estr)
         eindex = handle;
     estr->event_source = 0;
 
-    if (eindex >= MAX_EVENTS) {
+    if (eindex < 0 || eindex >= MAX_EVENTS) {
         spin_unlock_irqrestore(&ha->smp_lock, flags);
         return eindex;
     }

trunk/drivers/scsi/ipr.c

@@ -4188,6 +4188,25 @@ static irqreturn_t ipr_handle_other_interrupt(struct ipr_ioa_cfg *ioa_cfg,
 	return rc;
 }
 
+/**
+ * ipr_isr_eh - Interrupt service routine error handler
+ * @ioa_cfg:	ioa config struct
+ * @msg:	message to log
+ *
+ * Return value:
+ * 	none
+ **/
+static void ipr_isr_eh(struct ipr_ioa_cfg *ioa_cfg, char *msg)
+{
+	ioa_cfg->errors_logged++;
+	dev_err(&ioa_cfg->pdev->dev, "%s\n", msg);
+
+	if (WAIT_FOR_DUMP == ioa_cfg->sdt_state)
+		ioa_cfg->sdt_state = GET_DUMP;
+
+	ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE);
+}
+
 /**
  * ipr_isr - Interrupt service routine
  * @irq:	irq number
@@ -4203,6 +4222,7 @@ static irqreturn_t ipr_isr(int irq, void *devp)
 	volatile u32 int_reg, int_mask_reg;
 	u32 ioasc;
 	u16 cmd_index;
+	int num_hrrq = 0;
 	struct ipr_cmnd *ipr_cmd;
 	irqreturn_t rc = IRQ_NONE;
 
@@ -4233,13 +4253,7 @@ static irqreturn_t ipr_isr(int irq, void *devp)
 				     IPR_HRRQ_REQ_RESP_HANDLE_MASK) >> IPR_HRRQ_REQ_RESP_HANDLE_SHIFT;
 
 			if (unlikely(cmd_index >= IPR_NUM_CMD_BLKS)) {
-				ioa_cfg->errors_logged++;
-				dev_err(&ioa_cfg->pdev->dev, "Invalid response handle from IOA\n");
-
-				if (WAIT_FOR_DUMP == ioa_cfg->sdt_state)
-					ioa_cfg->sdt_state = GET_DUMP;
-
-				ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE);
+				ipr_isr_eh(ioa_cfg, "Invalid response handle from IOA");
 				spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
 				return IRQ_HANDLED;
 			}
@@ -4266,8 +4280,18 @@ static irqreturn_t ipr_isr(int irq, void *devp)
 
 		if (ipr_cmd != NULL) {
 			/* Clear the PCI interrupt */
-			writel(IPR_PCII_HRRQ_UPDATED, ioa_cfg->regs.clr_interrupt_reg);
-			int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg;
+			do {
+				writel(IPR_PCII_HRRQ_UPDATED, ioa_cfg->regs.clr_interrupt_reg);
+				int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg;
+			} while (int_reg & IPR_PCII_HRRQ_UPDATED &&
+					num_hrrq++ < IPR_MAX_HRRQ_RETRIES);
+
+			if (int_reg & IPR_PCII_HRRQ_UPDATED) {
+				ipr_isr_eh(ioa_cfg, "Error clearing HRRQ");
+				spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
+				return IRQ_HANDLED;
+			}
+
 		} else
 			break;
 	}

trunk/drivers/scsi/ipr.h

@@ -144,6 +144,7 @@
 #define IPR_IOA_MAX_SECTORS				32767
 #define IPR_VSET_MAX_SECTORS				512
 #define IPR_MAX_CDB_LEN					16
+#define IPR_MAX_HRRQ_RETRIES				3
 
 #define IPR_DEFAULT_BUS_WIDTH				16
 #define IPR_80MBs_SCSI_RATE		((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))

trunk/drivers/scsi/libsas/sas_expander.c

@@ -960,7 +960,6 @@ static int sas_ex_discover_dev(struct domain_device *dev, int phy_id)
 
 			}
 		}
-		res = 0;
 	}
 
 	return res;

trunk/drivers/scsi/pmcraid.c

@@ -1071,7 +1071,7 @@ static struct pmcraid_cmd *pmcraid_init_hcam
 
 	ioarcb->data_transfer_length = cpu_to_le32(rcb_size);
 
-	ioadl[0].flags |= cpu_to_le32(IOADL_FLAGS_READ_LAST);
+	ioadl[0].flags |= IOADL_FLAGS_READ_LAST;
 	ioadl[0].data_len = cpu_to_le32(rcb_size);
 	ioadl[0].address = cpu_to_le32(dma);
 
@@ -2251,7 +2251,7 @@ static void pmcraid_request_sense(struct pmcraid_cmd *cmd)
 
 	ioadl->address = cpu_to_le64(cmd->sense_buffer_dma);
 	ioadl->data_len = cpu_to_le32(SCSI_SENSE_BUFFERSIZE);
-	ioadl->flags = cpu_to_le32(IOADL_FLAGS_LAST_DESC);
+	ioadl->flags = IOADL_FLAGS_LAST_DESC;
 
 	/* request sense might be called as part of error response processing
 	 * which runs in tasklets context. It is possible that mid-layer might
@@ -3017,7 +3017,7 @@ static int pmcraid_build_ioadl(
 		ioadl[i].flags = 0;
 	}
 	/* setup last descriptor */
-	ioadl[i - 1].flags = cpu_to_le32(IOADL_FLAGS_LAST_DESC);
+	ioadl[i - 1].flags = IOADL_FLAGS_LAST_DESC;
 
 	return 0;
 }
@@ -3387,7 +3387,7 @@ static int pmcraid_build_passthrough_ioadls(
 	}
 
 	/* setup the last descriptor */
-	ioadl[i - 1].flags = cpu_to_le32(IOADL_FLAGS_LAST_DESC);
+	ioadl[i - 1].flags = IOADL_FLAGS_LAST_DESC;
 
 	return 0;
 }
@@ -5314,7 +5314,7 @@ static void pmcraid_querycfg(struct pmcraid_cmd *cmd)
 		cpu_to_le32(sizeof(struct pmcraid_config_table));
 
 	ioadl = &(ioarcb->add_data.u.ioadl[0]);
-	ioadl->flags = cpu_to_le32(IOADL_FLAGS_LAST_DESC);
+	ioadl->flags = IOADL_FLAGS_LAST_DESC;
 	ioadl->address = cpu_to_le64(pinstance->cfg_table_bus_addr);
 	ioadl->data_len = cpu_to_le32(sizeof(struct pmcraid_config_table));
 

trunk/drivers/scsi/scsi_transport_fc.c

@@ -3656,6 +3656,7 @@ fc_bsg_host_dispatch(struct request_queue *q, struct Scsi_Host *shost,
 fail_host_msg:
 	/* return the errno failure code as the only status */
 	BUG_ON(job->reply_len < sizeof(uint32_t));
+	job->reply->reply_payload_rcv_len = 0;
 	job->reply->result = ret;
 	job->reply_len = sizeof(uint32_t);
 	fc_bsg_jobdone(job);
@@ -3741,6 +3742,7 @@ fc_bsg_rport_dispatch(struct request_queue *q, struct Scsi_Host *shost,
 fail_rport_msg:
 	/* return the errno failure code as the only status */
 	BUG_ON(job->reply_len < sizeof(uint32_t));
+	job->reply->reply_payload_rcv_len = 0;
 	job->reply->result = ret;
 	job->reply_len = sizeof(uint32_t);
 	fc_bsg_jobdone(job);
@@ -3797,6 +3799,7 @@ fc_bsg_request_handler(struct request_queue *q, struct Scsi_Host *shost,
 		/* check if we have the msgcode value at least */
 		if (job->request_len < sizeof(uint32_t)) {
 			BUG_ON(job->reply_len < sizeof(uint32_t));
+			job->reply->reply_payload_rcv_len = 0;
 			job->reply->result = -ENOMSG;
 			job->reply_len = sizeof(uint32_t);
 			fc_bsg_jobdone(job);

trunk/drivers/spi/spi_stmp.c

@@ -242,7 +242,7 @@ static int stmp_spi_txrx_dma(struct stmp_spi *ss, int cs,
 	wait_for_completion(&ss->done);
 
 	if (!busy_wait(readl(ss->regs + HW_SSP_CTRL0) & BM_SSP_CTRL0_RUN))
-		status = ETIMEDOUT;
+		status = -ETIMEDOUT;
 
 	if (!dma_buf)
 		dma_unmap_single(ss->master_dev, spi_buf_dma, len, dir);

trunk/drivers/usb/serial/cp210x.c

@@ -50,6 +50,8 @@ static int cp210x_tiocmset_port(struct usb_serial_port *port, struct file *,
 static void cp210x_break_ctl(struct tty_struct *, int);
 static int cp210x_startup(struct usb_serial *);
 static void cp210x_disconnect(struct usb_serial *);
+static void cp210x_dtr_rts(struct usb_serial_port *p, int on);
+static int cp210x_carrier_raised(struct usb_serial_port *p);
 
 static int debug;
 
@@ -143,6 +145,8 @@ static struct usb_serial_driver cp210x_device = {
 	.tiocmset		= cp210x_tiocmset,
 	.attach			= cp210x_startup,
 	.disconnect		= cp210x_disconnect,
+	.dtr_rts		= cp210x_dtr_rts,
+	.carrier_raised		= cp210x_carrier_raised
 };
 
 /* Config request types */
@@ -746,6 +750,14 @@ static int cp210x_tiocmset_port(struct usb_serial_port *port, struct file *file,
 	return cp210x_set_config(port, CP210X_SET_MHS, &control, 2);
 }
 
+static void cp210x_dtr_rts(struct usb_serial_port *p, int on)
+{
+	if (on)
+		cp210x_tiocmset_port(p, NULL,  TIOCM_DTR|TIOCM_RTS, 0);
+	else
+		cp210x_tiocmset_port(p, NULL,  0, TIOCM_DTR|TIOCM_RTS);
+}
+
 static int cp210x_tiocmget (struct tty_struct *tty, struct file *file)
 {
 	struct usb_serial_port *port = tty->driver_data;
@@ -768,6 +780,15 @@ static int cp210x_tiocmget (struct tty_struct *tty, struct file *file)
 	return result;
 }
 
+static int cp210x_carrier_raised(struct usb_serial_port *p)
+{
+	unsigned int control;
+	cp210x_get_config(p, CP210X_GET_MDMSTS, &control, 1);
+	if (control & CONTROL_DCD)
+		return 1;
+	return 0;
+}
+
 static void cp210x_break_ctl (struct tty_struct *tty, int break_state)
 {
 	struct usb_serial_port *port = tty->driver_data;

trunk/drivers/video/da8xx-fb.c

@@ -704,7 +704,7 @@ static int __init fb_probe(struct platform_device *device)
 
 	if (i == ARRAY_SIZE(known_lcd_panels)) {
 		dev_err(&device->dev, "GLCD: No valid panel found\n");
-		ret = ENODEV;
+		ret = -ENODEV;
 		goto err_clk_disable;
 	} else
 		dev_info(&device->dev, "GLCD: Found %s panel\n",

trunk/fs/fcntl.c

@@ -284,7 +284,7 @@ static int f_setown_ex(struct file *filp, unsigned long arg)
 		type = PIDTYPE_PID;
 		break;
 
-	case F_OWNER_GID:
+	case F_OWNER_PGRP:
 		type = PIDTYPE_PGID;
 		break;
 
@@ -321,7 +321,7 @@ static int f_getown_ex(struct file *filp, unsigned long arg)
 		break;
 
 	case PIDTYPE_PGID:
-		owner.type = F_OWNER_GID;
+		owner.type = F_OWNER_PGRP;
 		break;
 
 	default:

trunk/fs/proc/array.c

@@ -571,7 +571,7 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
 		rsslim,
 		mm ? mm->start_code : 0,
 		mm ? mm->end_code : 0,
-		(permitted) ? task->stack_start : 0,
+		(permitted && mm) ? task->stack_start : 0,
 		esp,
 		eip,
 		/* The signal information here is obsolete.

trunk/include/asm-generic/fcntl.h

@@ -89,7 +89,7 @@
 
 #define F_OWNER_TID	0
 #define F_OWNER_PID	1
-#define F_OWNER_GID	2
+#define F_OWNER_PGRP	2
 
 struct f_owner_ex {
 	int	type;

trunk/include/linux/suspend.h

@@ -301,15 +301,32 @@ static inline int unregister_pm_notifier(struct notifier_block *nb)
 #define pm_notifier(fn, pri)	do { (void)(fn); } while (0)
 #endif /* !CONFIG_PM_SLEEP */
 
+extern struct mutex pm_mutex;
+
 #ifndef CONFIG_HIBERNATION
 static inline void register_nosave_region(unsigned long b, unsigned long e)
 {
 }
 static inline void register_nosave_region_late(unsigned long b, unsigned long e)
 {
 }
-#endif
 
-extern struct mutex pm_mutex;
+static inline void lock_system_sleep(void) {}
+static inline void unlock_system_sleep(void) {}
+
+#else
+
+/* Let some subsystems like memory hotadd exclude hibernation */
+
+static inline void lock_system_sleep(void)
+{
+	mutex_lock(&pm_mutex);
+}
+
+static inline void unlock_system_sleep(void)
+{
+	mutex_unlock(&pm_mutex);
+}
+#endif
 
 #endif /* _LINUX_SUSPEND_H */

trunk/include/scsi/scsi_host.h

@@ -797,30 +797,23 @@ static inline unsigned int scsi_host_get_prot(struct Scsi_Host *shost)
 
 static inline unsigned int scsi_host_dif_capable(struct Scsi_Host *shost, unsigned int target_type)
 {
-	switch (target_type) {
-	case 1:
-		if (shost->prot_capabilities & SHOST_DIF_TYPE1_PROTECTION)
-			return target_type;
-	case 2:
-		if (shost->prot_capabilities & SHOST_DIF_TYPE2_PROTECTION)
-			return target_type;
-	case 3:
-		if (shost->prot_capabilities & SHOST_DIF_TYPE3_PROTECTION)
-			return target_type;
-	}
+	static unsigned char cap[] = { 0,
+				       SHOST_DIF_TYPE1_PROTECTION,
+				       SHOST_DIF_TYPE2_PROTECTION,
+				       SHOST_DIF_TYPE3_PROTECTION };
 
-	return 0;
+	return shost->prot_capabilities & cap[target_type] ? target_type : 0;
 }
 
 static inline unsigned int scsi_host_dix_capable(struct Scsi_Host *shost, unsigned int target_type)
 {
 #if defined(CONFIG_BLK_DEV_INTEGRITY)
-	switch (target_type) {
-	case 0: return shost->prot_capabilities & SHOST_DIX_TYPE0_PROTECTION;
-	case 1: return shost->prot_capabilities & SHOST_DIX_TYPE1_PROTECTION;
-	case 2: return shost->prot_capabilities & SHOST_DIX_TYPE2_PROTECTION;
-	case 3: return shost->prot_capabilities & SHOST_DIX_TYPE3_PROTECTION;
-	}
+	static unsigned char cap[] = { SHOST_DIX_TYPE0_PROTECTION,
+				       SHOST_DIX_TYPE1_PROTECTION,
+				       SHOST_DIX_TYPE2_PROTECTION,
+				       SHOST_DIX_TYPE3_PROTECTION };
+
+	return shost->prot_capabilities & cap[target_type];
 #endif
 	return 0;
 }