Skip to content

Commit

Permalink
USB: Staging: media: lirc: lirc_sasem: remove err() usage
Browse files Browse the repository at this point in the history 
err() was a very old USB-specific macro that I thought had
gone away.  This patch removes it from being used in the
driver and uses dev_err() instead

Cc: Jarod Wilson <jarod@wilsonet.com>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Andrew Miller <amiller@amilx.com>
Cc: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  • Loading branch information
Greg Kroah-Hartman committed Apr 24, 2012
1 parent 493f7d4 commit 1712254
Showing 1 changed file with 61 additions and 39 deletions.
100 changes: 61 additions & 39 deletions drivers/staging/media/lirc/lirc_sasem.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -185,7 +185,7 @@ static void deregister_from_lirc(struct sasem_context *context)

retval = lirc_unregister_driver(minor);
if (retval)
err("%s: unable to deregister from lirc (%d)",
printk(KERN_ERR "%s: unable to deregister from lirc (%d)\n",
__func__, retval);
else
printk(KERN_INFO "Deregistered Sasem driver (minor:%d)\n",
Expand All @@ -210,29 +210,32 @@ static int vfd_open(struct inode *inode, struct file *file)
subminor = iminor(inode);
interface = usb_find_interface(&sasem_driver, subminor);
if (!interface) {
err("%s: could not find interface for minor %d",
__func__, subminor);
printk(KERN_ERR KBUILD_MODNAME
": %s: could not find interface for minor %d\n",
__func__, subminor);
retval = -ENODEV;
goto exit;
}
context = usb_get_intfdata(interface);

if (!context) {
err("%s: no context found for minor %d",
__func__, subminor);
dev_err(&interface->dev,
"%s: no context found for minor %d\n",
__func__, subminor);
retval = -ENODEV;
goto exit;
}

mutex_lock(&context->ctx_lock);

if (context->vfd_isopen) {
err("%s: VFD port is already open", __func__);
dev_err(&interface->dev,
"%s: VFD port is already open", __func__);
retval = -EBUSY;
} else {
context->vfd_isopen = 1;
file->private_data = context;
printk(KERN_INFO "VFD port opened\n");
dev_info(&interface->dev, "VFD port opened\n");
}

mutex_unlock(&context->ctx_lock);
Expand All @@ -253,7 +256,8 @@ static long vfd_ioctl(struct file *file, unsigned cmd, unsigned long arg)
context = (struct sasem_context *) file->private_data;

if (!context) {
err("%s: no context for device", __func__);
printk(KERN_ERR KBUILD_MODNAME
": %s: no context for device\n", __func__);
return -ENODEV;
}

Expand Down Expand Up @@ -287,14 +291,15 @@ static int vfd_close(struct inode *inode, struct file *file)
context = (struct sasem_context *) file->private_data;

if (!context) {
err("%s: no context for device", __func__);
printk(KERN_ERR KBUILD_MODNAME
": %s: no context for device\n", __func__);
return -ENODEV;
}

mutex_lock(&context->ctx_lock);

if (!context->vfd_isopen) {
err("%s: VFD is not open", __func__);
dev_err(&context->dev->dev, "%s: VFD is not open\n", __func__);
retval = -EIO;
} else {
context->vfd_isopen = 0;
Expand Down Expand Up @@ -339,7 +344,8 @@ static int send_packet(struct sasem_context *context)
retval = usb_submit_urb(context->tx_urb, GFP_KERNEL);
if (retval) {
atomic_set(&(context->tx.busy), 0);
err("%s: error submitting urb (%d)", __func__, retval);
dev_err(&context->dev->dev, "%s: error submitting urb (%d)\n",
__func__, retval);
} else {
/* Wait for transmission to complete (or abort) */
mutex_unlock(&context->ctx_lock);
Expand All @@ -348,7 +354,9 @@ static int send_packet(struct sasem_context *context)

retval = context->tx.status;
if (retval)
err("%s: packet tx failed (%d)", __func__, retval);
dev_err(&context->dev->dev,
"%s: packet tx failed (%d)\n",
__func__, retval);
}

return retval;
Expand All @@ -369,20 +377,23 @@ static ssize_t vfd_write(struct file *file, const char *buf,

context = (struct sasem_context *) file->private_data;
if (!context) {
err("%s: no context for device", __func__);
printk(KERN_ERR KBUILD_MODNAME
": %s: no context for device\n", __func__);
return -ENODEV;
}

mutex_lock(&context->ctx_lock);

if (!context->dev_present) {
err("%s: no Sasem device present", __func__);
printk(KERN_ERR KBUILD_MODNAME
": %s: no Sasem device present\n", __func__);
retval = -ENODEV;
goto exit;
}

if (n_bytes <= 0 || n_bytes > SASEM_DATA_BUF_SZ) {
err("%s: invalid payload size", __func__);
dev_err(&context->dev->dev, "%s: invalid payload size\n",
__func__);
retval = -EINVAL;
goto exit;
}
Expand Down Expand Up @@ -440,9 +451,9 @@ static ssize_t vfd_write(struct file *file, const char *buf,
}
retval = send_packet(context);
if (retval) {

err("%s: send packet failed for packet #%d",
__func__, i);
dev_err(&context->dev->dev,
"%s: send packet failed for packet #%d\n",
__func__, i);
goto exit;
}
}
Expand Down Expand Up @@ -492,7 +503,8 @@ static int ir_open(void *data)
mutex_lock(&context->ctx_lock);

if (context->ir_isopen) {
err("%s: IR port is already open", __func__);
dev_err(&context->dev->dev, "%s: IR port is already open\n",
__func__);
retval = -EBUSY;
goto exit;
}
Expand All @@ -506,8 +518,9 @@ static int ir_open(void *data)
retval = usb_submit_urb(context->rx_urb, GFP_KERNEL);

if (retval)
err("%s: usb_submit_urb failed for ir_open (%d)",
__func__, retval);
dev_err(&context->dev->dev,
"%s: usb_submit_urb failed for ir_open (%d)\n",
__func__, retval);
else {
context->ir_isopen = 1;
printk(KERN_INFO "IR port opened\n");
Expand All @@ -529,7 +542,8 @@ static void ir_close(void *data)

context = (struct sasem_context *)data;
if (!context) {
err("%s: no context for device", __func__);
printk(KERN_ERR KBUILD_MODNAME
": %s: no context for device\n", __func__);
return;
}

Expand Down Expand Up @@ -687,7 +701,7 @@ static int sasem_probe(struct usb_interface *interface,
struct sasem_context *context = NULL;
int i;

printk(KERN_INFO "%s: found Sasem device\n", __func__);
dev_info(&interface->dev, "%s: found Sasem device\n", __func__);


dev = usb_get_dev(interface_to_usbdev(interface));
Expand Down Expand Up @@ -719,8 +733,8 @@ static int sasem_probe(struct usb_interface *interface,
rx_endpoint = ep;
ir_ep_found = 1;
if (debug)
printk(KERN_INFO "%s: found IR endpoint\n",
__func__);
dev_info(&interface->dev,
"%s: found IR endpoint\n", __func__);

} else if (!vfd_ep_found &&
ep_dir == USB_DIR_OUT &&
Expand All @@ -729,61 +743,68 @@ static int sasem_probe(struct usb_interface *interface,
tx_endpoint = ep;
vfd_ep_found = 1;
if (debug)
printk(KERN_INFO "%s: found VFD endpoint\n",
__func__);
dev_info(&interface->dev,
"%s: found VFD endpoint\n", __func__);
}
}

/* Input endpoint is mandatory */
if (!ir_ep_found) {

err("%s: no valid input (IR) endpoint found.", __func__);
dev_err(&interface->dev,
"%s: no valid input (IR) endpoint found.\n", __func__);
retval = -ENODEV;
goto exit;
}

if (!vfd_ep_found)
printk(KERN_INFO "%s: no valid output (VFD) endpoint found.\n",
__func__);
dev_info(&interface->dev,
"%s: no valid output (VFD) endpoint found.\n",
__func__);


/* Allocate memory */
alloc_status = 0;

context = kzalloc(sizeof(struct sasem_context), GFP_KERNEL);
if (!context) {
err("%s: kzalloc failed for context", __func__);
dev_err(&interface->dev,
"%s: kzalloc failed for context\n", __func__);
alloc_status = 1;
goto alloc_status_switch;
}
driver = kzalloc(sizeof(struct lirc_driver), GFP_KERNEL);
if (!driver) {
err("%s: kzalloc failed for lirc_driver", __func__);
dev_err(&interface->dev,
"%s: kzalloc failed for lirc_driver\n", __func__);
alloc_status = 2;
goto alloc_status_switch;
}
rbuf = kmalloc(sizeof(struct lirc_buffer), GFP_KERNEL);
if (!rbuf) {
err("%s: kmalloc failed for lirc_buffer", __func__);
dev_err(&interface->dev,
"%s: kmalloc failed for lirc_buffer\n", __func__);
alloc_status = 3;
goto alloc_status_switch;
}
if (lirc_buffer_init(rbuf, BUF_CHUNK_SIZE, BUF_SIZE)) {
err("%s: lirc_buffer_init failed", __func__);
dev_err(&interface->dev,
"%s: lirc_buffer_init failed\n", __func__);
alloc_status = 4;
goto alloc_status_switch;
}
rx_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!rx_urb) {
err("%s: usb_alloc_urb failed for IR urb", __func__);
dev_err(&interface->dev,
"%s: usb_alloc_urb failed for IR urb\n", __func__);
alloc_status = 5;
goto alloc_status_switch;
}
if (vfd_ep_found) {
tx_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!tx_urb) {
err("%s: usb_alloc_urb failed for VFD urb",
__func__);
dev_err(&interface->dev,
"%s: usb_alloc_urb failed for VFD urb",
__func__);
alloc_status = 6;
goto alloc_status_switch;
}
Expand All @@ -807,7 +828,8 @@ static int sasem_probe(struct usb_interface *interface,

lirc_minor = lirc_register_driver(driver);
if (lirc_minor < 0) {
err("%s: lirc_register_driver failed", __func__);
dev_err(&interface->dev,
"%s: lirc_register_driver failed\n", __func__);
alloc_status = 7;
retval = lirc_minor;
goto unlock;
Expand Down

0 comments on commit 1712254

Please sign in to comment.