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Subject[PATCH] nfsd: Fix kernel test robot warning
Date
Kernel test robot throws below warning -

>> fs/nfsd/nfs3xdr.c:299:6: warning: variable 'err' is used
>> uninitialized whenever 'if' condition is false
>> [-Wsometimes-uninitialized]
if (!v4 || !inode->i_sb->s_export_op->fetch_iversion)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
fs/nfsd/nfs3xdr.c:304:6: note: uninitialized use occurs here
if (err) {
^~~
fs/nfsd/nfs3xdr.c:299:2: note: remove the 'if' if its condition is
always true
if (!v4 || !inode->i_sb->s_export_op->fetch_iversion)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
fs/nfsd/nfs3xdr.c:293:12: note: initialize the variable 'err' to
silence this warning
__be32 err;
^
= 0
1 warning generated.

Initialize err = 0 to silence this warning.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
---
fs/nfsd/nfs3xdr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c
index abb1608..47aeaee 100644
--- a/fs/nfsd/nfs3xdr.c
+++ b/fs/nfsd/nfs3xdr.c
@@ -290,7 +290,7 @@ void fill_post_wcc(struct svc_fh *fhp)
{
bool v4 = (fhp->fh_maxsize == NFS4_FHSIZE);
struct inode *inode = d_inode(fhp->fh_dentry);
- __be32 err;
+ __be32 err = 0;

if (fhp->fh_post_saved)
printk("nfsd: inode locked twice during operation.\n");
--
1.9.1

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