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authorPali Rohár <pali@kernel.org>2024-11-02 22:06:50 +0300
committerSteve French <stfrench@microsoft.com>2025-04-01 09:54:17 +0300
commite94e882a6d69525c07589222cf3a6ff57ad12b5b (patch)
tree5dd810f020acb857f4bd098f757c5a2e80c63b0a /tools/perf/scripts/python/task-analyzer.py
parent665e18794804f8b42b6ae5d436a154342f62e288 (diff)
downloadlinux-e94e882a6d69525c07589222cf3a6ff57ad12b5b.tar.xz
cifs: Fix negotiate retry functionality
SMB negotiate retry functionality in cifs_negotiate() is currently broken and does not work when doing socket reconnect. Caller of this function, which is cifs_negotiate_protocol() requires that tcpStatus after successful execution of negotiate callback stay in CifsInNegotiate. But if the CIFSSMBNegotiate() called from cifs_negotiate() fails due to connection issues then tcpStatus is changed as so repeated CIFSSMBNegotiate() call does not help. Fix this problem by moving retrying code from negotiate callback (which is either cifs_negotiate() or smb2_negotiate()) to cifs_negotiate_protocol() which is caller of those callbacks. This allows to properly handle and implement correct transistions between tcpStatus states as function cifs_negotiate_protocol() already handles it. With this change, cifs_negotiate_protocol() now handles also -EAGAIN error set by the RFC1002_NEGATIVE_SESSION_RESPONSE processing after reconnecting with NetBIOS session. Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
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