scsi: pm80xx: Fix dereferencing dangling pointer

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sas_task structure should not be used after task_done is called.  If the
device is gone or not attached, we call task_done on t and continue to use
in the sas_task in rest of the function. task_done is pointing to
sas_ata_task_done, may free the memory associated with the task before
returning.

Link: https://lore.kernel.org/r/20191114100910.6153-8-deepak.ukey@microchip.com
Acked-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Vikram Auradkar <auradkar@google.com>
Signed-off-by: Deepak Ukey <deepak.ukey@microchip.com>
Signed-off-by: Viswas G <Viswas.G@microchip.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

...

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Vikram Auradkar 2019-11-14 15:39:04 +05:30 • committed by Martin K. Petersen

parent e90e236250

commit a88d9db94c

1 changed files with 6 additions and 6 deletions

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drivers/scsi/pm8001/pm8001_sas.c

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