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NFSv4.2: fix error return on memory allocation failure

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Currently when an alloc_page fails the error return is not set in
variable err and a garbage initialized value is returned. Fix this
by setting err to -ENOMEM before taking the error return path.

Addresses-Coverity: ("Uninitialized scalar variable")
Fixes: a1f26739ccdc ("NFSv4.2: improve page handling for GETXATTR")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Colin Ian King 2020-12-16 12:25:13 +00:00 committed by Trond Myklebust
parent edffb84cc8
commit 7be9b38afa
1 changed files with 1 additions and 0 deletions
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fs/nfs/nfs42proc.c
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@ -1301,6 +1301,7 @@ ssize_t nfs42_proc_getxattr(struct inode *inode, const char *name,
pages[i] = alloc_page(GFP_KERNEL);
if (!pages[i]) {
np = i + 1;
err = -ENOMEM;
goto out;
}
}