Fix smb3_init_transform_rq() to initialise buffer to NULL before calling netfs_alloc_folioq_buffer() as netfs assumes it can append to the buffer it is given. Setting it to NULL means it should start a fresh buffer, but the value is currently undefined.
Fixes: a2906d3316fc ("cifs: Switch crypto buffer to use a folio_queue rather than an xarray") Signed-off-by: David Howells dhowells@redhat.com cc: Steve French sfrench@samba.org cc: Paulo Alcantara pc@manguebit.org cc: linux-cifs@vger.kernel.org cc: linux-fsdevel@vger.kernel.org --- fs/smb/client/smb2ops.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c index ad8947434b71..cd0c9b5a35c3 100644 --- a/fs/smb/client/smb2ops.c +++ b/fs/smb/client/smb2ops.c @@ -4487,7 +4487,7 @@ smb3_init_transform_rq(struct TCP_Server_Info *server, int num_rqst, for (int i = 1; i < num_rqst; i++) { struct smb_rqst *old = &old_rq[i - 1]; struct smb_rqst *new = &new_rq[i]; - struct folio_queue *buffer; + struct folio_queue *buffer = NULL; size_t size = iov_iter_count(&old->rq_iter);
orig_len += smb_rqst_len(server, old);