android/android_kernel_samsung_sm8650
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cifs: fix session state check in smb2_find_smb_ses

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commit 66be5c48ee1b5b8c919cc329fe6d32e16badaa40 upstream.

Chech the session state and skip it if it's exiting.

Signed-off-by: Winston Wen <wentao@uniontech.com>
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Cc: stable@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Winston Wen 2023-06-26 11:42:57 +08:00 committed by Greg Kroah-Hartman
parent c4a5fb1ae5
commit 40e2ed0e56
1 changed files with 7 additions and 0 deletions
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7
fs/smb/client/smb2transport.c
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@ -153,7 +153,14 @@ smb2_find_smb_ses_unlocked(struct TCP_Server_Info *server, __u64 ses_id)
list_for_each_entry(ses, &pserver->smb_ses_list, smb_ses_list) { list_for_each_entry(ses, &pserver->smb_ses_list, smb_ses_list) {
if (ses->Suid != ses_id) if (ses->Suid != ses_id)
continue; continue;
spin_lock(&ses->ses_lock);
if (ses->ses_status == SES_EXITING) {
spin_unlock(&ses->ses_lock);
continue;
}
++ses->ses_count; ++ses->ses_count;
spin_unlock(&ses->ses_lock);
return ses; return ses;
} }