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e24721e441
linux/drivers/block
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Ming Lei e24721e441 ublk: fix 'warn: variable dereferenced before check 'req'' from Smatch 
The added check of 'req_op(req) == REQ_OP_ZONE_APPEND' should have been
done after the request is confirmed as valid.

Actually here, the request should always been true, so add one
WARN_ON_ONCE(!req), meantime move the zone_append check after
checking the request.

Cc: Andreas Hindborg <a.hindborg@samsung.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Fixes: 29802d7ca3 ("ublk: enable zoned storage support")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20230811135216.420404-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2023-08-11 08:13:23 -06:00
..
aoe aoe: make aoe_class a static const structure 2023-06-21 07:45:19 -06:00
drbd Networking changes for 6.5. 2023-06-28 16:43:10 -07:00
mtip32xx block: replace fmode_t with a block-specific type for block open flags 2023-06-12 08:04:05 -06:00
null_blk Merge branch '6.5/scsi-staging' into 6.5/scsi-fixes 2023-07-11 12:15:15 -04:00
rnbd block/rnbd: make all 'class' structures const 2023-06-21 07:45:19 -06:00
xen-blkback block: replace fmode_t with a block-specific type for block open flags 2023-06-12 08:04:05 -06:00
zram - Yosry Ahmed brought back some cgroup v1 stats in OOM logs. 2023-06-28 10:28:11 -07:00
amiflop.c block: replace fmode_t with a block-specific type for block open flags 2023-06-12 08:04:05 -06:00
ataflop.c block: replace fmode_t with a block-specific type for block open flags 2023-06-12 08:04:05 -06:00
brd.c brd: use cond_resched instead of cond_resched_rcu 2023-06-14 11:13:07 -06:00
floppy.c block: replace fmode_t with a block-specific type for block open flags 2023-06-12 08:04:05 -06:00
Kconfig block: ublk: switch to ioctl command encoding 2023-04-18 20:13:30 -06:00
loop.c block: replace fmode_t with a block-specific type for block open flags 2023-06-12 08:04:05 -06:00
Makefile Revert "pktcdvd: remove driver." 2023-01-04 14:44:13 -07:00
n64cart.c
nbd.c nbd: automatically load module on genl access 2023-07-17 08:18:17 -06:00
pktcdvd.c block: replace fmode_t with a block-specific type for block open flags 2023-06-12 08:04:05 -06:00
ps3disk.c
ps3vram.c ps3vram: remove bio splitting 2023-01-29 15:18:35 -07:00
rbd_types.h
rbd.c for-6.5/block-2023-06-23 2023-06-26 12:47:20 -07:00
sunvdc.c block: replace fmode_t with a block-specific type for block open flags 2023-06-12 08:04:05 -06:00
swim3.c swim3: mark swim3_init() static 2023-08-10 08:32:59 -06:00
swim_asm.S
swim.c swim: fix a missing FMODE_ -> BLK_OPEN_ conversion in floppy_open 2023-06-20 07:16:04 -06:00
ublk_drv.c ublk: fix 'warn: variable dereferenced before check 'req'' from Smatch 2023-08-11 08:13:23 -06:00
virtio_blk.c Merge branch '6.5/scsi-staging' into 6.5/scsi-fixes 2023-07-11 12:15:15 -04:00
xen-blkfront.c for-6.5/block-2023-06-23 2023-06-26 12:47:20 -07:00
z2ram.c block: replace fmode_t with a block-specific type for block open flags 2023-06-12 08:04:05 -06:00