kernel-hacking-2024-linux-s.../fs/cifs
Arnd Bergmann e36c048a9b CIFS: SMBD: work around gcc -Wmaybe-uninitialized warning
GCC versions from 4.9 to 6.3 produce a false-positive warning when
dealing with a conditional spin_lock_irqsave():

fs/cifs/smbdirect.c: In function 'smbd_recv_buf':
include/linux/spinlock.h:260:3: warning: 'flags' may be used uninitialized in this function [-Wmaybe-uninitialized]

This function calls some sleeping interfaces, so it is clear that it
does not get called with interrupts disabled and there is no need
to save the irq state before taking the spinlock. This lets us
remove the variable, which makes the function slightly more efficient
and avoids the warning.

A further cleanup could do the same change for other functions in this
file, but I did not want to take this too far for now.

Fixes: ac69f66e54ca ("CIFS: SMBD: Implement function to receive data via RDMA receive")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Steve French <smfrench@gmail.com>
2018-01-24 19:49:07 -06:00
..
asn1.c
cache.c fscache: remove unused ->now_uncached callback 2017-09-06 17:27:26 -07:00
cifs_debug.c CIFS: SMBD: Add SMB Direct debug counters 2018-01-24 19:49:07 -06:00
cifs_debug.h lib: update single-char callers of strtobool() 2016-03-17 15:09:34 -07:00
cifs_dfs_ref.c CIFS: add build_path_from_dentry_optional_prefix() 2017-03-01 22:26:10 -06:00
cifs_fs_sb.h Rename superblock flags (MS_xyz -> SB_xyz) 2017-11-27 13:05:09 -08:00
cifs_ioctl.h Enable previous version support 2016-10-13 19:48:11 -05:00
cifs_spnego.c cifs: Create dedicated keyring for spnego operations 2016-05-19 21:56:30 -05:00
cifs_spnego.h
cifs_unicode.c [SMB3] Remove ifdef since SMB3 (and later) now STRONGLY preferred 2017-07-08 18:57:07 -05:00
cifs_unicode.h [SMB3] Remove ifdef since SMB3 (and later) now STRONGLY preferred 2017-07-08 18:57:07 -05:00
cifs_uniupr.h
cifsacl.c cifs: cifsacl: Use a temporary ops variable to reduce code length 2017-05-12 19:45:18 -05:00
cifsacl.h
cifsencrypt.c fs: cifs: replace CURRENT_TIME by other appropriate apis 2017-05-08 17:15:15 -07:00
cifsfs.c CIFS: SMBD: Add rdma mount option 2018-01-24 19:49:05 -06:00
cifsfs.h Update version of cifs module 2017-09-17 23:10:48 -05:00
cifsglob.h CIFS: SMBD: Read correct returned data length for RDMA write (SMB read) I/O 2018-01-24 19:49:07 -06:00
cifspdu.h CIFS: move DFS response parsing out of SMB1 code 2017-03-01 22:26:10 -06:00
cifsproto.h cifs: Add smb2_send_recv 2018-01-24 19:49:04 -06:00
cifssmb.c CIFS: SMBD: Read correct returned data length for RDMA write (SMB read) I/O 2018-01-24 19:49:07 -06:00
connect.c CIFS: SMBD: Disable signing on SMB direct transport 2018-01-24 19:49:07 -06:00
dir.c cifs: check MaxPathNameComponentLength != 0 before using it 2017-10-30 02:11:38 -05:00
dns_resolve.c
dns_resolve.h
export.c
file.c CIFS: SMBD: Upper layer performs SMB read via RDMA write through memory registration 2018-01-24 19:49:07 -06:00
fscache.c
fscache.h
inode.c Rename superblock flags (MS_xyz -> SB_xyz) 2017-11-27 13:05:09 -08:00
ioctl.c [SMB3] Remove ifdef since SMB3 (and later) now STRONGLY preferred 2017-07-08 18:57:07 -05:00
Kconfig cifs: fix build errors for SMB_DIRECT 2018-01-24 19:49:06 -06:00
link.c [SMB3] Remove ifdef since SMB3 (and later) now STRONGLY preferred 2017-07-08 18:57:07 -05:00
Makefile CIFS: SMBD: Establish SMB Direct connection 2018-01-24 19:49:05 -06:00
misc.c [SMB3] Remove ifdef since SMB3 (and later) now STRONGLY preferred 2017-07-08 18:57:07 -05:00
netmisc.c cifs: small underflow in cnvrtDosUnixTm() 2017-05-02 14:57:34 -05:00
nterr.c
nterr.h
ntlmssp.h cifs: dynamic allocation of ntlmssp blob 2016-06-23 23:45:07 -05:00
readdir.c cifs: initialize file_info_lock 2017-01-14 14:58:29 -06:00
rfc1002pdu.h
sess.c smb2: Enforce sec= mount option 2017-03-02 23:13:37 -06:00
smb1ops.c CIFS: SMBD: Read correct returned data length for RDMA write (SMB read) I/O 2018-01-24 19:49:07 -06:00
smb2file.c CIFS: add use_ipc flag to SMB2_ioctl() 2017-03-01 22:26:11 -06:00
smb2glob.h CIFS: Separate SMB2 header structure 2017-02-01 16:46:34 -06:00
smb2inode.c Do not send SMB3 SET_INFO request if nothing is changing 2016-10-13 19:46:51 -05:00
smb2maperror.c cifs: handle large EA requests more gracefully in smb2+ 2017-10-18 11:52:39 -05:00
smb2misc.c cifs: remove rfc1002 header from smb2_oplock_break we get from server 2018-01-24 19:49:05 -06:00
smb2ops.c CIFS: SMBD: Read correct returned data length for RDMA write (SMB read) I/O 2018-01-24 19:49:07 -06:00
smb2pdu.c cifs: Fix autonegotiate security settings mismatch 2018-01-24 19:49:07 -06:00
smb2pdu.h cifs: remove rfc1002 header from smb2_lease_ack 2018-01-24 19:49:05 -06:00
smb2proto.h cifs: handle large EA requests more gracefully in smb2+ 2017-10-18 11:52:39 -05:00
smb2status.h
smb2transport.c Fix encryption labels and lengths for SMB3.1.1 2017-10-18 11:52:39 -05:00
smbdirect.c CIFS: SMBD: work around gcc -Wmaybe-uninitialized warning 2018-01-24 19:49:07 -06:00
smbdirect.h CIFS: SMBD: Implement RDMA memory registration 2018-01-24 19:49:06 -06:00
smbencrypt.c cifs: Fix smbencrypt() to stop pointing a scatterlist at the stack 2016-12-14 01:44:16 -06:00
smberr.h
smbfsctl.h
transport.c CIFS: SMBD: Upper layer sends data via RDMA send 2018-01-24 19:49:06 -06:00
winucase.c
xattr.c Rename superblock flags (MS_xyz -> SB_xyz) 2017-11-27 13:05:09 -08:00