Messages in this thread Patch in this message | | | From | Alexey Khoroshilov <> | Subject | [PATCH v2] [SCSI] bfa: allocate memory with GFP_ATOMIC in spinlock context | Date | Fri, 18 Apr 2014 00:58:42 -0700 |
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bfa_fcb_pbc_vport_create() is called only from bfa_fcs_pbc_vport_init(), that is called only from bfad_drv_start() with bfad_lock spinlock held. So the patch replaces GFP_KERNEL with GFP_ATOMIC to avoid sleeping in atomic spinlock context.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru> --- drivers/scsi/bfa/bfad.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/bfa/bfad.c b/drivers/scsi/bfa/bfad.c index cc0fbcdc5192..7593b7c1d336 100644 --- a/drivers/scsi/bfa/bfad.c +++ b/drivers/scsi/bfa/bfad.c @@ -507,7 +507,7 @@ bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s pbc_vport) struct bfad_vport_s *vport; int rc; - vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL); + vport = kzalloc(sizeof(struct bfad_vport_s), GFP_ATOMIC); if (!vport) { bfa_trc(bfad, 0); return; -- 1.8.3.2
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