From: Enzo Matsumiya <ematsumiya@suse.de>
Date: Mon, 13 Apr 2026 19:07:13 +0000 (-0300)
Subject: smb: common: add SMB3_COMPRESS_MAX_ALGS
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=44ccf4162adc8a33520112be598a6fba5b318e51;p=thirdparty%2Fkernel%2Fstable.git

smb: common: add SMB3_COMPRESS_MAX_ALGS

Set it to number of currently defined algorithms (6 as of now).

Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
Signed-off-by: Steve French <stfrench@microsoft.com>
---

diff --git a/fs/smb/common/smb2pdu.h b/fs/smb/common/smb2pdu.h
index 85a4248d4f29..a4b12eb8df81 100644
--- a/fs/smb/common/smb2pdu.h
+++ b/fs/smb/common/smb2pdu.h
@@ -510,6 +510,8 @@ struct smb2_encryption_neg_context {
 /* Pattern scanning algorithm See MS-SMB2 3.1.4.4.1 */
 #define SMB3_COMPRESS_PATTERN	cpu_to_le16(0x0004) /* Pattern_V1 */
 #define SMB3_COMPRESS_LZ4	cpu_to_le16(0x0005)
+/* Account for NONE for easier array indexing */
+#define SMB3_COMPRESS_MAX_ALGS	6
 
 /* Compression Flags */
 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_NONE		cpu_to_le32(0x00000000)