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author | Zhang Xiaoxu <zhangxiaoxu5@huawei.com> | 2022-08-23 20:52:02 +0800 |
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committer | Steve French <stfrench@microsoft.com> | 2022-08-24 22:30:09 -0500 |
commit | d291e703f420d5f8f999fe54f360d54d213bddb4 (patch) | |
tree | 12bac3fe7ea04b16c037e77d1b003c2922162fea /fs/cifs/cifsglob.h | |
parent | b6b3624d016b980f917b46e6b964f943ac5ac56e (diff) | |
download | linux-d291e703f420d5f8f999fe54f360d54d213bddb4.tar.gz |
cifs: Add helper function to check smb1+ server
SMB1 server's header_preamble_size is not 0, add use is_smb1 function
to simplify the code, no actual functional changes.
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Zhang Xiaoxu <zhangxiaoxu5@huawei.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/cifs/cifsglob.h')
-rw-r--r-- | fs/cifs/cifsglob.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index 6c8293314530..ae7f571a7dba 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -752,6 +752,11 @@ struct TCP_Server_Info { #endif }; +static inline bool is_smb1(struct TCP_Server_Info *server) +{ + return HEADER_PREAMBLE_SIZE(server) != 0; +} + static inline void cifs_server_lock(struct TCP_Server_Info *server) { unsigned int nofs_flag = memalloc_nofs_save(); |