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| author | Quinn Tran <quinn.tran@cavium.com> | 2018-08-02 22:16:54 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2018-08-02 22:56:18 +0200 |
| commit | f6145e86d21fccd59bbb87bc1e1eb076658fd79a (patch) | |
| tree | 41edd1622ea0d380cdeabe672aff4ee00618b26e /drivers/scsi/qla2xxx/qla_def.h | |
| parent | scsi: qla2xxx: Fix Management Server NPort handle reservation logic (diff) | |
| download | linux-f6145e86d21fccd59bbb87bc1e1eb076658fd79a.tar.xz linux-f6145e86d21fccd59bbb87bc1e1eb076658fd79a.zip | |
scsi: qla2xxx: Fix race between switch cmd completion and timeout
Fix race condition between switch cmd completion and timeout timer. Timer
has popped triggers command free. On IOCB completion, stale sp point was
reused. Instead, an abort will be sent to FW to nudge the command out of FW
where the normal completion will take place.
RIP: 0010:qla2x00_chk_ms_status+0xf3/0x1b0 [qla2xxx]
Call Trace:
<IRQ>
qla24xx_els_ct_entry.isra.15+0x1d4/0x2b0 [qla2xxx]
qla24xx_msix_rsp_q+0x39/0xf0 [qla2xxx]
qla24xx_process_response_queue+0xbc/0x2b0 [qla2xxx]
qla24xx_msix_rsp_q+0x8a/0xf0 [qla2xxx]
__handle_irq_event_percpu+0xa0/0x1f0
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_def.h')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_def.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 40bcf938cf4f..0fc563572fad 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -313,6 +313,7 @@ struct srb_cmd { #define SRB_CRC_CTX_DMA_VALID BIT_2 /* DIF: context DMA valid */ #define SRB_CRC_PROT_DMA_VALID BIT_4 /* DIF: prot DMA valid */ #define SRB_CRC_CTX_DSD_VALID BIT_5 /* DIF: dsd_list valid */ +#define SRB_WAKEUP_ON_COMP BIT_6 /* To identify if a srb is of T10-CRC type. @sp => srb_t pointer */ #define IS_PROT_IO(sp) (sp->flags & SRB_CRC_CTX_DSD_VALID) |