6.1-stable review patch. If anyone has any objections, please let me know.
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From: David Disseldorp ddiss@suse.de
[ Upstream commit 34e8ccf9ce24b6b2e275bbe35cd392e18fbbd369 ]
There are no early returns, so marshalling the incremented NegotiateContextCount with every context is unnecessary.
Signed-off-by: David Disseldorp ddiss@suse.de Acked-by: Namjae Jeon linkinjeon@kernel.org Signed-off-by: Steve French stfrench@microsoft.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/smb/server/smb2pdu.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c index ee128f5d38c35..c7d43c83d2335 100644 --- a/fs/smb/server/smb2pdu.c +++ b/fs/smb/server/smb2pdu.c @@ -847,7 +847,6 @@ static void assemble_neg_contexts(struct ksmbd_conn *conn, "assemble SMB2_PREAUTH_INTEGRITY_CAPABILITIES context\n"); build_preauth_ctxt((struct smb2_preauth_neg_context *)pneg_ctxt, conn->preauth_info->Preauth_HashId); - rsp->NegotiateContextCount = cpu_to_le16(neg_ctxt_cnt); inc_rfc1001_len(smb2_buf_len, AUTH_GSS_PADDING); ctxt_size = sizeof(struct smb2_preauth_neg_context); /* Round to 8 byte boundary */ @@ -859,7 +858,7 @@ static void assemble_neg_contexts(struct ksmbd_conn *conn, "assemble SMB2_ENCRYPTION_CAPABILITIES context\n"); build_encrypt_ctxt((struct smb2_encryption_neg_context *)pneg_ctxt, conn->cipher_type); - rsp->NegotiateContextCount = cpu_to_le16(++neg_ctxt_cnt); + neg_ctxt_cnt++; ctxt_size += sizeof(struct smb2_encryption_neg_context) + 2; /* Round to 8 byte boundary */ pneg_ctxt += @@ -874,7 +873,7 @@ static void assemble_neg_contexts(struct ksmbd_conn *conn, /* Temporarily set to SMB3_COMPRESS_NONE */ build_compression_ctxt((struct smb2_compression_capabilities_context *)pneg_ctxt, conn->compress_algorithm); - rsp->NegotiateContextCount = cpu_to_le16(++neg_ctxt_cnt); + neg_ctxt_cnt++; ctxt_size += sizeof(struct smb2_compression_capabilities_context) + 2; /* Round to 8 byte boundary */ pneg_ctxt += round_up(sizeof(struct smb2_compression_capabilities_context) + 2, @@ -886,7 +885,7 @@ static void assemble_neg_contexts(struct ksmbd_conn *conn, ksmbd_debug(SMB, "assemble SMB2_POSIX_EXTENSIONS_AVAILABLE context\n"); build_posix_ctxt((struct smb2_posix_neg_context *)pneg_ctxt); - rsp->NegotiateContextCount = cpu_to_le16(++neg_ctxt_cnt); + neg_ctxt_cnt++; ctxt_size += sizeof(struct smb2_posix_neg_context); /* Round to 8 byte boundary */ pneg_ctxt += round_up(sizeof(struct smb2_posix_neg_context), 8); @@ -898,10 +897,11 @@ static void assemble_neg_contexts(struct ksmbd_conn *conn, "assemble SMB2_SIGNING_CAPABILITIES context\n"); build_sign_cap_ctxt((struct smb2_signing_capabilities *)pneg_ctxt, conn->signing_algorithm); - rsp->NegotiateContextCount = cpu_to_le16(++neg_ctxt_cnt); + neg_ctxt_cnt++; ctxt_size += sizeof(struct smb2_signing_capabilities) + 2; }
+ rsp->NegotiateContextCount = cpu_to_le16(neg_ctxt_cnt); inc_rfc1001_len(smb2_buf_len, ctxt_size); }