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| author | Andy Yan <ayan@marvell.com> | 2009-05-11 17:49:52 +0400 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2009-05-24 00:44:08 +0400 |
| commit | 0f980a871678b7ec143fcb45b31bf9234e4585c8 (patch) | |
| tree | 6178d37572dda96a16d3a21e4d5a21f79f01b7e6 /drivers/scsi/mvsas/mv_sas.c | |
| parent | 0b84b7094e87769120def1e703b8b4d037281038 (diff) | |
| download | linux-0f980a871678b7ec143fcb45b31bf9234e4585c8.tar.xz | |
[SCSI] mvsas: bug fix, null pointer may be used
Null pointer check to avoid corruption.
Signed-off-by: Ying Chu <jasonchu@marvell.com>
Signed-off-by: Andy Yan <ayan@marvell.com>
Signed-off-by: Ke Wei <kewei@marvell.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/mvsas/mv_sas.c')
| -rw-r--r-- | drivers/scsi/mvsas/mv_sas.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index 4279b5e8808a..3fc396fc050d 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -1873,11 +1873,11 @@ int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc, u32 flags) } out: - if (mvi_dev) + if (mvi_dev) { mvi_dev->runing_req--; - if (sas_protocol_ata(task->task_proto)) - mvs_free_reg_set(mvi, mvi_dev); - + if (sas_protocol_ata(task->task_proto)) + mvs_free_reg_set(mvi, mvi_dev); + } mvs_slot_task_free(mvi, task, slot, slot_idx); sts = tstat->stat; |