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scsi: core: Fix missing lock protection

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async_scan_lock is designed to protect the scanning_hosts list, but there
is no protection here.

Signed-off-by: Chaohai Chen <wdhh66@163.com>
Link: https://lore.kernel.org/r/20250221030755.219277-1-wdhh66@163.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Chaohai Chen 2025-02-21 11:07:55 +08:00 committed by Martin K. Petersen
parent ac0fb4a55b
commit ed3e484222
1 changed files with 3 additions and 2 deletions
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5
drivers/scsi/scsi_scan.c
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@ -151,8 +151,9 @@ int scsi_complete_async_scans(void)
struct async_scan_data *data;
do {
if (list_empty(&scanning_hosts))
return 0;
scoped_guard(spinlock, &async_scan_lock)
if (list_empty(&scanning_hosts))
return 0;
/* If we can't get memory immediately, that's OK. Just
* sleep a little. Even if we never get memory, the async
* scans will finish eventually.