---

yaml
---
r: 100301
b: refs/heads/master
c: d21c95c
h: refs/heads/master
i:
  100299: 26d3e0d
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 39d95b9d857ad9ed335dd1a2d6c6de1f1ee69ce1
+refs/heads/master: d21c95c569c462da20d491b75d0a45bd70ddc1bf

trunk/arch/cris/arch-v10/drivers/eeprom.c

@@ -375,7 +375,7 @@ int __init eeprom_init(void)
 }
 
 /* Opens the device. */
-
+/* BKL not needed: no global resources accessed */
 static int eeprom_open(struct inode * inode, struct file * file)
 {
 

trunk/arch/cris/arch-v32/drivers/cryptocop.c

@@ -2302,7 +2302,7 @@ static int cryptocop_job_setup(struct cryptocop_prio_job **pj, struct cryptocop_
 	return 0;
 }
 
-
+/* No BKL needed here - no global resources accessed */
 static int cryptocop_open(struct inode *inode, struct file *filp)
 {
 	int p = iminor(inode);

trunk/drivers/char/cs5535_gpio.c

@@ -153,6 +153,8 @@ static ssize_t cs5535_gpio_read(struct file *file, char __user *buf,
 	return count;
 }
 
+/* No BKL needed here - "mask" is the only global resource used
+   here and it's a boot-time parameter */
 static int cs5535_gpio_open(struct inode *inode, struct file *file)
 {
 	u32 m = iminor(inode);

trunk/drivers/char/dtlk.c

@@ -288,6 +288,8 @@ static int dtlk_ioctl(struct inode *inode,
 	}
 }
 
+/* No BKL needed here; "dtlk_busy" is the only global resource,
+   and it is not ever set by anybody (test is broken) */
 static int dtlk_open(struct inode *inode, struct file *file)
 {
 	TRACE_TEXT("(dtlk_open");

trunk/drivers/char/pc8736x_gpio.c

@@ -212,6 +212,7 @@ static struct nsc_gpio_ops pc8736x_gpio_ops = {
 	.gpio_current	= pc8736x_gpio_current
 };
 
+/* No BKL needed here; no global resources accessed */
 static int pc8736x_gpio_open(struct inode *inode, struct file *file)
 {
 	unsigned m = iminor(inode);

trunk/drivers/char/ppdev.c

@@ -633,6 +633,7 @@ static int pp_ioctl(struct inode *inode, struct file *file,
 	return 0;
 }
 
+/* No BKL needed here: only local resources used */
 static int pp_open (struct inode * inode, struct file * file)
 {
 	unsigned int minor = iminor(inode);

trunk/drivers/char/scx200_gpio.c

@@ -46,6 +46,7 @@ struct nsc_gpio_ops scx200_gpio_ops = {
 };
 EXPORT_SYMBOL_GPL(scx200_gpio_ops);
 
+/* No BKL needed here: no global resources used */
 static int scx200_gpio_open(struct inode *inode, struct file *file)
 {
 	unsigned m = iminor(inode);

trunk/drivers/char/tb0219.c

@@ -232,6 +232,7 @@ static ssize_t tanbac_tb0219_write(struct file *file, const char __user *data,
 	return i;
 }
 
+/* No BKL needed here; no global resources accessed */
 static int tanbac_tb0219_open(struct inode *inode, struct file *file)
 {
 	unsigned int minor;

trunk/drivers/char/vr41xx_giu.c

@@ -543,6 +543,8 @@ static ssize_t gpio_write(struct file *file, const char __user *data,
 	return i;
 }
 
+/* No BKL needed here; only global (giu_nr_pins) is only set
+   at probe time */
 static int gpio_open(struct inode *inode, struct file *file)
 {
 	unsigned int pin;

trunk/drivers/infiniband/core/ucm.c

@@ -1155,6 +1155,7 @@ static unsigned int ib_ucm_poll(struct file *filp,
 	return mask;
 }
 
+/* No BKL needed here: no global resources used */
 static int ib_ucm_open(struct inode *inode, struct file *filp)
 {
 	struct ib_ucm_file *file;

trunk/drivers/infiniband/hw/ipath/ipath_file_ops.c

@@ -1812,6 +1812,7 @@ static int find_shared_port(struct file *fp,
 	return ret;
 }
 
+/* No BKL needed here */
 static int ipath_open(struct inode *in, struct file *fp)
 {
 	/* The real work is performed later in ipath_assign_port() */

trunk/drivers/net/ppp_generic.c

@@ -351,6 +351,7 @@ static const int npindex_to_ethertype[NUM_NP] = {
  * Open instances of /dev/ppp can be in one of three states:
  * unattached, attached to a ppp unit, or attached to a ppp channel.
  */
+/* No BKL needed here */
 static int ppp_open(struct inode *inode, struct file *file)
 {
 	/*

trunk/drivers/scsi/3w-9xxx.c

@@ -862,6 +862,8 @@ static int twa_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int
 } /* End twa_chrdev_ioctl() */
 
 /* This function handles open for the character device */
+/* NOTE that this function will race with remove; adding BKL
+   will not help. */
 static int twa_chrdev_open(struct inode *inode, struct file *file)
 {
 	unsigned int minor_number;

trunk/drivers/scsi/3w-xxxx.c

@@ -1027,6 +1027,8 @@ static int tw_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int
 } /* End tw_chrdev_ioctl() */
 
 /* This function handles open for the character device */
+/* NOTE that this function races with remove - adding BKL
+   won't help */
 static int tw_chrdev_open(struct inode *inode, struct file *file)
 {
 	unsigned int minor_number;

trunk/drivers/scsi/megaraid.c

@@ -3272,8 +3272,9 @@ mega_init_scb(adapter_t *adapter)
  * @filep - unused
  *
  * Routines for the character/ioctl interface to the driver. Find out if this
- * is a valid open. If yes, increment the module use count so that it cannot
- * be unloaded.
+ * is a valid open. 
+ *
+ * No BKL needed here.
  */
 static int
 megadev_open (struct inode *inode, struct file *filep)

trunk/drivers/scsi/megaraid/megaraid_sas.c

@@ -2860,6 +2860,7 @@ static void megasas_shutdown(struct pci_dev *pdev)
 
 /**
  * megasas_mgmt_open -	char node "open" entry point
+ * No BKL is needed here.
  */
 static int megasas_mgmt_open(struct inode *inode, struct file *filep)
 {