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Commit 381bf7ca authored by Daniel Mack's avatar Daniel Mack Committed by Miklos Szeredi
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fuse: mark variables uninitialized 



gcc 4.6.3 complains about uninitialized variables in fs/fuse/control.c:

  CC      fs/fuse/control.o
fs/fuse/control.c: In function 'fuse_conn_congestion_threshold_write':
fs/fuse/control.c:165:29: warning: 'val' may be used uninitialized in this function [-Wuninitialized]
fs/fuse/control.c: In function 'fuse_conn_max_background_write':
fs/fuse/control.c:128:23: warning: 'val' may be used uninitialized in this function [-Wuninitialized]

fuse_conn_limit_write() will always return non-zero unless the &val
is modified, so the warning is misleading. Let the compiler know
about it by marking 'val' with 'uninitialized_var'.

Signed-off-by: default avatarDaniel Mack <zonque@gmail.com>
Cc: Brian Foster <bfoster@redhat.com>
Signed-off-by: default avatarMiklos Szeredi <mszeredi@suse.cz>
parent 8d39d801

fs/fuse/control.c

+2 −2
Original line number Diff line number Diff line
@@ -117,7 +117,7 @@ static ssize_t fuse_conn_max_background_write(struct file *file, 
					      const char __user *buf,

					      size_t count, loff_t *ppos)

{

	unsigned val;

	unsigned uninitialized_var(val);

	ssize_t ret;



	ret = fuse_conn_limit_write(file, buf, count, ppos, &val,
@@ -154,7 +154,7 @@ static ssize_t fuse_conn_congestion_threshold_write(struct file *file, 
						    const char __user *buf,

						    size_t count, loff_t *ppos)

{

	unsigned val;

	unsigned uninitialized_var(val);

	ssize_t ret;



	ret = fuse_conn_limit_write(file, buf, count, ppos, &val,