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authorRonnie Sahlberg <lsahlber@redhat.com>2019-04-23 09:39:45 +0300
committerSteve French <stfrench@microsoft.com>2019-04-24 20:33:59 +0300
commit05fd5c2c61732152a6bddc318aae62d7e436629b (patch)
tree440d07cdc7fcff71f9c0368c8bedfccc525ae5c1 /fs/cifs
parentba25b50d582ff6c6021eee80824134aeb9ab8785 (diff)
downloadlinux-05fd5c2c61732152a6bddc318aae62d7e436629b.tar.xz
cifs: fix memory leak in SMB2_read
Commit 088aaf17aa79300cab14dbee2569c58cfafd7d6e introduced a leak where if SMB2_read() returned an error we would return without freeing the request buffer. Cc: Stable <stable@vger.kernel.org> Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com> Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/cifs')
-rw-r--r--fs/cifs/smb2pdu.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index b8f7262ac354..a37774a55f3a 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -3466,6 +3466,7 @@ SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
io_parms->tcon->tid, ses->Suid,
io_parms->offset, 0);
free_rsp_buf(resp_buftype, rsp_iov.iov_base);
+ cifs_small_buf_release(req);
return rc == -ENODATA ? 0 : rc;
} else
trace_smb3_read_done(xid, req->PersistentFileId,