nfsd4: Use kmemdup rather than duplicating its implementation
The semantic patch that makes this change is available
in scripts/coccinelle/api/memdup.cocci.
Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index b6fa792..0ec5a1b 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -215,10 +215,9 @@
static char *savemem(struct nfsd4_compoundargs *argp, __be32 *p, int nbytes)
{
if (p == argp->tmp) {
- p = kmalloc(nbytes, GFP_KERNEL);
+ p = kmemdup(argp->tmp, nbytes, GFP_KERNEL);
if (!p)
return NULL;
- memcpy(p, argp->tmp, nbytes);
} else {
BUG_ON(p != argp->tmpp);
argp->tmpp = NULL;