diff options
Diffstat (limited to '0020-usblp.c-move-assignment-out-of-if-block.patch')
| -rw-r--r-- | 0020-usblp.c-move-assignment-out-of-if-block.patch | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/0020-usblp.c-move-assignment-out-of-if-block.patch b/0020-usblp.c-move-assignment-out-of-if-block.patch new file mode 100644 index 00000000000000..4ef4c0b35483a9 --- /dev/null +++ b/0020-usblp.c-move-assignment-out-of-if-block.patch @@ -0,0 +1,67 @@ +From de1affd1e2fd57f99f168e2d100bb16456b93a51 Mon Sep 17 00:00:00 2001 +From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +Date: Wed, 29 Apr 2015 16:22:15 +0200 +Subject: [PATCH 20/36] usblp.c: move assignment out of if () block + +We should not be doing assignments within an if () block +so fix up the code to not do this. + +change was created using Coccinelle. + +CC: Pete Zaitcev <zaitcev@redhat.com> +Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +--- + drivers/usb/class/usblp.c | 15 ++++++++++----- + 1 file changed, 10 insertions(+), 5 deletions(-) + +diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c +index 0924ee40a966..f38e875a3fb1 100644 +--- a/drivers/usb/class/usblp.c ++++ b/drivers/usb/class/usblp.c +@@ -660,7 +660,8 @@ static long usblp_ioctl(struct file *file, unsigned int cmd, unsigned long arg) + switch (cmd) { + + case LPGETSTATUS: +- if ((retval = usblp_read_status(usblp, usblp->statusbuf))) { ++ retval = usblp_read_status(usblp, usblp->statusbuf); ++ if (retval) { + printk_ratelimited(KERN_ERR "usblp%d:" + "failed reading printer status (%d)\n", + usblp->minor, retval); +@@ -693,9 +694,11 @@ static struct urb *usblp_new_writeurb(struct usblp *usblp, int transfer_length) + struct urb *urb; + char *writebuf; + +- if ((writebuf = kmalloc(transfer_length, GFP_KERNEL)) == NULL) ++ writebuf = kmalloc(transfer_length, GFP_KERNEL); ++ if (writebuf == NULL) + return NULL; +- if ((urb = usb_alloc_urb(0, GFP_KERNEL)) == NULL) { ++ urb = usb_alloc_urb(0, GFP_KERNEL); ++ if (urb == NULL) { + kfree(writebuf); + return NULL; + } +@@ -732,7 +735,8 @@ static ssize_t usblp_write(struct file *file, const char __user *buffer, size_t + transfer_length = USBLP_BUF_SIZE; + + rv = -ENOMEM; +- if ((writeurb = usblp_new_writeurb(usblp, transfer_length)) == NULL) ++ writeurb = usblp_new_writeurb(usblp, transfer_length); ++ if (writeurb == NULL) + goto raise_urb; + usb_anchor_urb(writeurb, &usblp->urbs); + +@@ -980,7 +984,8 @@ static int usblp_submit_read(struct usblp *usblp) + int rc; + + rc = -ENOMEM; +- if ((urb = usb_alloc_urb(0, GFP_KERNEL)) == NULL) ++ urb = usb_alloc_urb(0, GFP_KERNEL); ++ if (urb == NULL) + goto raise_urb; + + usb_fill_bulk_urb(urb, usblp->dev, +-- +2.3.7 + |