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(parent: 566ec9a) | patch
scsi: megaraid: Fix a sleep-in-atomic bug
authorJia-Ju Bai <baijiaju1990@163.com>
Wed, 31 May 2017 02:56:56 +0000 (10:56 +0800)
committerMartin K. Petersen <martin.petersen@oracle.com>
Tue, 13 Jun 2017 00:48:08 +0000 (20:48 -0400)
commit896f6966fc815abe71f85fb26f0193875df8a035
tree6c1c0027740f63c5346c360a974d3934474638e4tree | snapshot
parent566ec9ad315b46e7056472f4cd1d1b79bbad62dacommit | diff
scsi: megaraid: Fix a sleep-in-atomic bug

The driver may sleep under a spin lock, and the function call path is:
mraid_mm_attach_buf (acquire the lock by spin_lock_irqsave)
  pci_pool_alloc(GFP_KERNEL) --> may sleep

To fix it, the "GFP_KERNEL" is replaced with "GFP_ATOMIC".

[mkp: fixed whitespace]

Signed-off-by: Jia-Ju Bai <baijiaju1990@163.com>
Acked-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/megaraid/megaraid_mm.c diff | blob | history
Domain: System / Kernel;