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linux_dsm_epyc7002/fs/cifs
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Ronnie Sahlberg 2edf2c9f3e cifs: do not fail __smb_send_rqst if non-fatal signals are pending 
commit 214a5ea081e77346e4963dd6d20c5539ff8b6ae6 upstream.

RHBZ 1848178

The original intent of returning an error in this function
in the patch:
  "CIFS: Mask off signals when sending SMB packets"
was to avoid interrupting packet send in the middle of
sending the data (and thus breaking an SMB connection),
but we also don't want to fail the request for non-fatal
signals even before we have had a chance to try to
send it (the reported problem could be reproduced e.g.
by exiting a child process when the parent process was in
the midst of calling futimens to update a file's timestamps).

In addition, since the signal may remain pending when we enter the
sending loop, we may end up not sending the whole packet before
TCP buffers become full. In this case the code returns -EINTR
but what we need here is to return -ERESTARTSYS instead to
allow system calls to be restarted.

Fixes: b30c74c73c ("CIFS: Mask off signals when sending SMB packets")
Cc: stable@vger.kernel.org # v5.1+
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-01-27 11:55:13 +01:00
..
asn1.c cifs: remove bogus debug code 2020-10-22 12:17:52 -05:00
cache.c smb3: extend fscache mount volume coherency check 2020-06-06 11:16:25 -05:00
cifs_debug.c cifs: Display local UID details for SMB sessions in DebugData 2020-07-01 19:38:19 -05:00
cifs_debug.h cifs: Standardize logging output 2020-06-01 00:10:18 -05:00
cifs_dfs_ref.c cifs: fix potential mismatch of UNC paths 2020-02-24 14:20:38 -06:00
cifs_fs_sb.h smb3: add mount option to allow RW caching of share accessed by only 1 client 2019-09-16 11:43:38 -05:00
cifs_ioctl.h cifs: add SMB3 change notification support 2020-02-06 09:14:28 -06:00
cifs_spnego.c cifs: switch servers depending on binding state 2019-11-25 01:16:30 -06:00
cifs_spnego.h
cifs_unicode.c Convert trailing spaces and periods in path components 2020-10-11 23:57:18 -05:00
cifs_unicode.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
cifs_uniupr.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
cifsacl.c cifs: fix a memleak with modefromsid 2020-11-15 23:05:33 -06:00
cifsacl.h cifs: delete duplicated words in header files 2020-08-02 18:00:26 -05:00
cifsencrypt.c mm, treewide: rename kzfree() to kfree_sensitive() 2020-08-07 11:33:22 -07:00
cifsfs.c smb3.1.1: add new module load parm enable_gcm_256 2020-10-15 23:58:15 -05:00
cifsfs.h cifs: update internal module version number 2020-10-23 23:41:49 -05:00
cifsglob.h smb3: add support for stat of WSL reparse points for special file types 2020-10-23 15:38:10 -05:00
cifspdu.h cifs: cifspdu.h: Replace zero-length array with flexible-array member 2020-03-22 22:49:10 -05:00
cifsproto.h SMB3.1.1: Fix ids returned in POSIX query dir 2020-10-20 11:51:24 -05:00
cifsroot.c cifs: Standardize logging output 2020-06-01 00:10:18 -05:00
cifssmb.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
connect.c cifs: add NULL check for ses->tcon_ipc 2020-12-03 17:06:03 -06:00
dfs_cache.c cifs: check pointer before freeing 2021-01-19 18:27:19 +01:00
dfs_cache.h cifs: handle RESP_GET_DFS_REFERRAL.PathConsumed in reconnect 2020-08-02 18:00:26 -05:00
dir.c smb311: add support for using info level for posix extensions query 2020-06-12 08:54:12 -05:00
dns_resolve.c keys: Pass the network namespace into request_key mechanism 2019-06-27 23:02:12 +01:00
dns_resolve.h
export.c docs: fs: convert docs without extension to ReST 2019-07-31 13:31:05 -06:00
file.c cifs: remove the retry in cifs_poxis_lock_set 2020-07-07 23:51:16 -05:00
fs_context.c cifs: move smb version mount options into fs_context.c 2020-10-22 12:17:31 -05:00
fs_context.h cifs: move smb version mount options into fs_context.c 2020-10-22 12:17:31 -05:00
fscache.c smb3: extend fscache mount volume coherency check 2020-06-06 11:16:25 -05:00
fscache.h smb3: extend fscache mount volume coherency check 2020-06-06 11:16:25 -05:00
inode.c smb3: add support for stat of WSL reparse points for special file types 2020-10-23 15:38:10 -05:00
ioctl.c cifs: fix reference leak for tlink 2020-07-09 10:06:52 -05:00
Kconfig smb3: smbdirect support can be configured by default 2020-04-07 13:39:00 -05:00
link.c smb311: add support for using info level for posix extensions query 2020-06-12 08:54:12 -05:00
Makefile cifs: add files to host new mount api 2020-10-22 12:16:24 -05:00
misc.c Merge branch 'akpm' (patches from Andrew) 2020-08-07 11:39:33 -07:00
netmisc.c cifs`: handle ERRBaduid for SMB1 2020-08-02 18:00:25 -05:00
nterr.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
nterr.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
ntlmssp.h cifs: dynamic allocation of ntlmssp blob 2016-06-23 23:45:07 -05:00
readdir.c SMB3: add support for recognizing WSL reparse tags 2020-10-22 12:17:59 -05:00
rfc1002pdu.h
sess.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
smb1ops.c cifs: smb1: Try failing back to SetFileInfo if SetPathInfo fails 2020-08-02 18:00:25 -05:00
smb2file.c cifs: allow unlock flock and OFD lock across fork 2020-03-22 22:49:09 -05:00
smb2glob.h smb3.1.1: set gcm256 when requested 2020-10-19 15:11:11 -05:00
smb2inode.c smb3: add support for stat of WSL reparse points for special file types 2020-10-23 15:38:10 -05:00
smb2maperror.c cifs: map STATUS_ACCOUNT_LOCKED_OUT to -EACCES 2020-10-15 23:58:14 -05:00
smb2misc.c SMB3.1.1: remove confusing mount warning when no SPNEGO info on negprot rsp 2020-12-30 11:54:17 +01:00
smb2ops.c SMB3: avoid confusing warning message on mount to Azure 2020-12-30 11:54:17 +01:00
smb2pdu.c cifs: fix interrupted close commands 2021-01-19 18:27:19 +01:00
smb2pdu.h SMB3.1.1: do not log warning message if server doesn't populate salt 2020-12-30 11:54:17 +01:00
smb2proto.h smb3: add support for stat of WSL reparse points for special file types 2020-10-23 15:38:10 -05:00
smb2status.h cifs: don't use __constant_cpu_to_le32() 2019-05-07 23:24:54 -05:00
smb2transport.c smb3.1.1: set gcm256 when requested 2020-10-19 15:11:11 -05:00
smbdirect.c cifs: Standardize logging output 2020-06-01 00:10:18 -05:00
smbdirect.h cifs: smbd: Do not schedule work to send immediate packet on every receive 2020-04-07 12:41:16 -05:00
smbencrypt.c fs: cifs: move from the crypto cipher API to the new DES library interface 2019-08-22 14:57:34 +10:00
smberr.h
smbfsctl.h smb3: add some missing definitions from MS-FSCC 2020-10-23 15:38:10 -05:00
trace.c smb3: Cleanup license mess 2019-01-24 09:37:33 -06:00
trace.h smb3: add dynamic trace point to trace when credits obtained 2020-10-20 11:50:42 -05:00
transport.c cifs: do not fail __smb_send_rqst if non-fatal signals are pending 2021-01-27 11:55:13 +01:00
winucase.c Replace HTTP links with HTTPS ones: CIFS 2020-07-05 14:23:38 -06:00
xattr.c CIFS: Add support for setting owner info, dos attributes, and create time 2020-01-26 19:24:17 -06:00