[PATCH 2/4] fix various coding standard warnings

Pranay Kr. Srivastava
2016-05-24T11:26:59Z

1 )nbd: fix checkpatch trailing space warning.

2) nbd: fix checkpatch warning use linux/uaccess.h

3) nbd : fix checkpatch pointer declaration warning

4) nbd: fix checkpatch warning no newline after decleration.

5) nbd: fix checkpatch warning no newline after decleration.

6) nbd : fix checkpatch line over 80 char warning

7) nbd: fix checkpatch trailing whitespace warning.

8) nbd: fix checkpatch trailing whitespace warning.

9) nbd : fix checkpatch structure declaration braces on next line warning.

10) nbd : fix checkpatch trailing whitespace warning

11) nbd : fix checkpatch printk warning

12) nbd: fix checkpatch no extra line after decleration warning

13) nbd: fix checkpatch printk warning to pr_info

14) nbd: fix checkpatch no new line after decleration warning

15) nbd: fix checkpatch printk warning to pr_info

Signed-off-by: Pranay Kr. Srivastava <pranjas@gmail.com>
---
drivers/block/nbd.c | 29 ++++++++++++++++-------------
1 file changed, 16 insertions(+), 13 deletions(-)

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index a5dab48..af86c9b 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -3,7 +3,7 @@
*
* Note that you can not swap over this thing, yet. Seems to work but
* deadlocks sometimes - you can not swap over TCP in general.
- *
+ *
* Copyright 1997-2000, 2008 Pavel Machek <pavel@ucw.cz>
* Parts copyright 2001 Steven Whitehouse <steve@chygwyn.com>
*
@@ -35,7 +35,7 @@
#include <linux/types.h>
#include <linux/debugfs.h>

-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <asm/types.h>

#include <linux/nbd.h>
@@ -43,7 +43,7 @@

struct nbd_device {
u32 flags;
- struct socket * sock; /* If == NULL, device is not ready, yet */
+ struct socket *sock; /* If == NULL, device is not ready, yet */
int magic;

spinlock_t queue_lock;
@@ -261,6 +261,7 @@ static inline int sock_send_bvec(struct nbd_device *nbd, struct bio_vec *bvec,
{
int result;
void *kaddr = kmap(bvec->bv_page);
+
result = sock_xmit(nbd, 1, kaddr + bvec->bv_offset,
bvec->bv_len, flags);
kunmap(bvec->bv_page);
@@ -358,6 +359,7 @@ static inline int sock_recv_bvec(struct nbd_device *nbd, struct bio_vec *bvec)
{
int result;
void *kaddr = kmap(bvec->bv_page);
+
result = sock_xmit(nbd, 0, kaddr + bvec->bv_offset, bvec->bv_len,
MSG_WAITALL);
kunmap(bvec->bv_page);
@@ -600,8 +602,8 @@ static int nbd_thread_send(void *data)
}

/*
- * We always wait for result of write, for now. It would be nice to make it optional
- * in future
+ * We always wait for result of write, for now. It would be nice to make it
+ * optional in future
* if ((rq_data_dir(req) == WRITE) && (nbd->flags & NBD_WRITE_NOCHK))
* { printk( "Warning: Ignoring result!\n"); nbd_end_request( req ); }
*/
@@ -610,7 +612,7 @@ static void nbd_request_handler(struct request_queue *q)
__releases(q->queue_lock) __acquires(q->queue_lock)
{
struct request *req;
-
+
while ((req = blk_fetch_request(q)) != NULL) {
struct nbd_device *nbd;

@@ -729,7 +731,7 @@ static int __nbd_ioctl(struct block_device *bdev, struct nbd_device *nbd,
nbd_send_req(nbd, &sreq);
return 0;
}
-
+
case NBD_CLEAR_SOCK:
sock_shutdown(nbd);
nbd_clear_que(nbd);
@@ -856,8 +858,7 @@ static int nbd_ioctl(struct block_device *bdev, fmode_t mode,
return error;
}

-static const struct block_device_operations nbd_fops =
-{
+static const struct block_device_operations nbd_fops = {
.owner = THIS_MODULE,
.ioctl = nbd_ioctl,
.compat_ioctl = nbd_ioctl,
@@ -1000,7 +1001,7 @@ static void nbd_dbg_close(void)
#endif

/*
- * And here should be modules and kernel interface
+ * And here should be modules and kernel interface
* (Just smiley confuses emacs :-)
*/

@@ -1013,7 +1014,7 @@ static int __init nbd_init(void)
BUILD_BUG_ON(sizeof(struct nbd_request) != 28);

if (max_part < 0) {
- printk(KERN_ERR "nbd: max_part must be >= 0\n");
+ pr_err("nbd: max_part must be >= 0\n");
return -EINVAL;
}

@@ -1044,6 +1045,7 @@ static int __init nbd_init(void)

for (i = 0; i < nbds_max; i++) {
struct gendisk *disk = alloc_disk(1 << part_shift);
+
if (!disk)
goto out;
nbd_dev[i].disk = disk;
@@ -1074,12 +1076,13 @@ static int __init nbd_init(void)
goto out;
}

- printk(KERN_INFO "nbd: registered device at major %d\n", NBD_MAJOR);
+ pr_info("nbd: registered device at major %d\n", NBD_MAJOR);

nbd_dbg_init();

for (i = 0; i < nbds_max; i++) {
struct gendisk *disk = nbd_dev[i].disk;
+
nbd_dev[i].magic = NBD_MAGIC;
INIT_LIST_HEAD(&nbd_dev[i].waiting_queue);
spin_lock_init(&nbd_dev[i].queue_lock);
@@ -1127,7 +1130,7 @@ static void __exit nbd_cleanup(void)
}
unregister_blkdev(NBD_MAJOR, "nbd");
kfree(nbd_dev);
- printk(KERN_INFO "nbd: unregistered device at major %d\n", NBD_MAJOR);
+ pr_info("nbd: unregistered device at major %d\n", NBD_MAJOR);
}

module_init(nbd_init);
--
1.7.9.5