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smb: propagate error code of extract_sharename()

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[ Upstream commit efc0b0bcffcba60d9c6301063d25a22a4744b499 ]

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 60e3318e3e
commit 47f72ee502
1 changed files with 1 additions and 1 deletions
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2
fs/smb/client/fscache.c
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@ -48,7 +48,7 @@ int cifs_fscache_get_super_cookie(struct cifs_tcon *tcon)
sharename = extract_sharename(tcon->tree_name); sharename = extract_sharename(tcon->tree_name);
if (IS_ERR(sharename)) { if (IS_ERR(sharename)) {
cifs_dbg(FYI, "%s: couldn't extract sharename\n", __func__); cifs_dbg(FYI, "%s: couldn't extract sharename\n", __func__);
return -EINVAL; return PTR_ERR(sharename);
} }
slen = strlen(sharename); slen = strlen(sharename);