Quiet the warning below in Lustre code.
Actually the warning is invalid since we either always assign
the symname in ll_readlink_internal or return an error there and
then the following rc check would assign symlink variable explicitly.
In file included from
/home/green/bk/linux/drivers/staging/lustre/lustre/llite/../include/linux/lustre_compat25.h:41:0,
from
/home/green/bk/linux/drivers/staging/lustre/lustre/llite/../include/linux/lvfs.h:48,
from
/home/green/bk/linux/drivers/staging/lustre/lustre/llite/../include/lvfs.h:45,
from
/home/green/bk/linux/drivers/staging/lustre/lustre/llite/../include/obd_support.h:41,
from
/home/green/bk/linux/drivers/staging/lustre/lustre/llite/../include/obd_class.h:40,
from
/home/green/bk/linux/drivers/staging/lustre/lustre/llite/../include/linux/lustre_lite.h:49,
from
/home/green/bk/linux/drivers/staging/lustre/lustre/llite/../include/lustre_lite.h:45,
from
/home/green/bk/linux/drivers/staging/lustre/lustre/llite/symlink.c:42:
/home/green/bk/linux/drivers/staging/lustre/lustre/llite/symlink.c: In function
‘ll_follow_link’:
/home/green/bk/linux/include/linux/namei.h:88:29: warning: ‘symname’ may be
used uninitialized in this function [-Wmaybe-uninitialized]
nd->saved_names[nd->depth] = path;
^
/home/green/bk/linux/drivers/staging/lustre/lustre/llite/symlink.c:123:8: note:
‘symname’ was declared here
char *symname;
^
Signed-off-by: Oleg Drokin <oleg.dro...@intel.com>
---
drivers/staging/lustre/lustre/llite/symlink.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/lustre/lustre/llite/symlink.c
b/drivers/staging/lustre/lustre/llite/symlink.c
index 80d48b5..129d302 100644
--- a/drivers/staging/lustre/lustre/llite/symlink.c
+++ b/drivers/staging/lustre/lustre/llite/symlink.c
@@ -120,7 +120,7 @@ static void *ll_follow_link(struct dentry *dentry, struct
nameidata *nd)
struct inode *inode = dentry->d_inode;
struct ptlrpc_request *request = NULL;
int rc;
- char *symname;
+ char *symname = NULL;
CDEBUG(D_VFSTRACE, "VFS Op\n");
/* Limit the recursive symlink depth to 5 instead of default
--
1.8.5.3
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