smb: propagate error code of extract_sharename()

[ Upstream commit efc0b0bcff ]

In addition to the EINVAL, there may be an ENOMEM.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: 70431bfd82 ("cifs: Support fscache indexing rewrite")
Signed-off-by: Katya Orlova <e.orlova@ispras.ru>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Katya Orlova 2023-08-15 16:38:31 +03:00 committed by Greg Kroah-Hartman
parent 7f56ae02d9
commit cdbb5e973f

View file

@ -48,7 +48,7 @@ int cifs_fscache_get_super_cookie(struct cifs_tcon *tcon)
sharename = extract_sharename(tcon->tree_name);
if (IS_ERR(sharename)) {
cifs_dbg(FYI, "%s: couldn't extract sharename\n", __func__);
return -EINVAL;
return PTR_ERR(sharename);
}
slen = strlen(sharename);