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scsi: hisi_sas: fix NULL check in SMP abort task path
authorXiaofei Tan <tanxiaofei@huawei.com>
Tue, 24 Oct 2017 15:51:37 +0000 (23:51 +0800)
committerMartin K. Petersen <martin.petersen@oracle.com>
Wed, 25 Oct 2017 12:21:04 +0000 (08:21 -0400)
commit378c233bcb21dfb2d9c2548b9a1fa6a8d35c78dd
tree892ddfb22823048e863e3db962e88ccd7f875c59tree
parent1eb8eeac17ee808b50b422f5ef2e27f5497f82adcommit | diff
scsi: hisi_sas: fix NULL check in SMP abort task path

This patch adds a NULL check of task->lldd_task before freeing the
slot in SMP path.

This is to guard against the scenario of the slot being freed during
the from the preceding internal abort.

Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/hisi_sas/hisi_sas_main.c diff | blob | blame | history
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