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authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>2022-03-23 07:32:05 +0100
committerSteve French <stfrench@microsoft.com>2022-03-30 15:17:53 +0200
commit56b401fb0c506120f25c1b4feeb96d9117efe171 (patch)
treec13ea459fa4f61f7f4e8df47f0b58690c94b2bbc /fs/ksmbd/smb2pdu.c
parentMAINTAINERS: ksmbd: switch Sergey to reviewer (diff)
downloadlinux-56b401fb0c506120f25c1b4feeb96d9117efe171.tar.xz
linux-56b401fb0c506120f25c1b4feeb96d9117efe171.zip
ksmbd: Remove a redundant zeroing of memory
fill_transform_hdr() has only one caller that already clears tr_buf (it is kzalloc'ed). So there is no need to clear it another time here. Remove the superfluous memset() and add a comment to remind that the caller must clear the buffer. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Acked-by: Hyunchul Lee <hyc.lee@gmail.com> Acked-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/ksmbd/smb2pdu.c')
-rw-r--r--fs/ksmbd/smb2pdu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c
index 67e8e28e3fc3..ff5323d5fb50 100644
--- a/fs/ksmbd/smb2pdu.c
+++ b/fs/ksmbd/smb2pdu.c
@@ -8500,7 +8500,7 @@ static void fill_transform_hdr(void *tr_buf, char *old_buf, __le16 cipher_type)
struct smb2_hdr *hdr = smb2_get_msg(old_buf);
unsigned int orig_len = get_rfc1002_len(old_buf);
- memset(tr_buf, 0, sizeof(struct smb2_transform_hdr) + 4);
+ /* tr_buf must be cleared by the caller */
tr_hdr->ProtocolId = SMB2_TRANSFORM_PROTO_NUM;
tr_hdr->OriginalMessageSize = cpu_to_le32(orig_len);
tr_hdr->Flags = cpu_to_le16(TRANSFORM_FLAG_ENCRYPTED);