[PATCH] nfsd: sign conversion obscuring errors in nfsd_set_posix_acl()

Assigning the result of posix_acl_to_xattr() to an unsigned data type
(size/size_t) obscures possible errors.

Coverity CID: 1206.

Signed-off-by: Florin Malita <fmalita@gmail.com>
Acked-by: NeilBrown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 6aa92d0..1d65f13 100644 (file)
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1922,11 +1922,10 @@ nfsd_set_posix_acl(struct svc_fh *fhp, int type, struct posix_acl *acl)
                value = kmalloc(size, GFP_KERNEL);
                if (!value)
                        return -ENOMEM;
-               size = posix_acl_to_xattr(acl, value, size);
-               if (size < 0) {
-                       error = size;
+               error = posix_acl_to_xattr(acl, value, size);
+               if (error < 0)
                        goto getout;
-               }
+               size = error;
        } else
                size = 0;