[PATCH] cifs: fix returnvar.cocci warnings

[kernel test robot <lkp@intel.com>]

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CC: kbuild-all(a)lists.01.org
CC: linux-cifs(a)vger.kernel.org
CC: samba-technical(a)lists.samba.org
TO: Ronnie Sahlberg <lsahlber@redhat.com>
CC: Steve French <stfrench@microsoft.com>
CC: linux-cifs(a)vger.kernel.org
CC: samba-technical(a)lists.samba.org
CC: linux-kernel(a)vger.kernel.org

From: kernel test robot <lkp@intel.com>

fs/cifs/fs_context.c:238:5-7: Unneeded variable: "rc". Return "0" on line 261


 Remove unneeded variable used to store return value.

Generated by: scripts/coccinelle/misc/returnvar.cocci

Fixes: 8dd343e73246 ("cifs: rename dup_vol to smb3_fs_context_dup and move it into fs_context.c")
CC: Ronnie Sahlberg <lsahlber@redhat.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
---

tree:   git://git.samba.org/sfrench/cifs-2.6.git for-next
head:   2dc7338d009dd9e5986121b2eae0178082eed5a1
commit: 8dd343e732466a0dd040898bddefd4e1c556dd10 [9/15] cifs: rename dup_vol to smb3_fs_context_dup and move it into fs_context.c
:::::: branch date: 3 hours ago
:::::: commit date: 3 hours ago

Please take the patch only if it's a positive warning. Thanks!

 fs_context.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

--- a/fs/cifs/fs_context.c
+++ b/fs/cifs/fs_context.c
@@ -235,8 +235,6 @@ do {									\
 int
 smb3_fs_context_dup(struct smb3_fs_context *new_ctx, struct smb3_fs_context *ctx)
 {
-	int rc = 0;
-
 	memcpy(new_ctx, ctx, sizeof(*ctx));
 	new_ctx->prepath = NULL;
 	new_ctx->local_nls = NULL;
@@ -258,5 +256,5 @@ smb3_fs_context_dup(struct smb3_fs_conte
 	DUP_CTX_STR(nodename);
 	DUP_CTX_STR(iocharset);
 
-	return rc;
+	return 0;
 }