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scsi: mpt3sas: Fail release cmnd if diag buffer is released

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Return the diag buffer release command with -EINVAL status if the buffer is
already released.

Link: https://lore.kernel.org/r/1568379890-18347-10-git-send-email-sreekanth.reddy@broadcom.com
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Sreekanth Reddy 2019-09-13 09:04:46 -04:00 committed by Martin K. Petersen
parent a8a6cbcd03
commit 29f571f8b4
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/mpt3sas/mpt3sas_ctl.c
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@ -2235,7 +2235,7 @@ _ctl_diag_release(struct MPT3SAS_ADAPTER *ioc, void __user *arg)
MPT3_DIAG_BUFFER_IS_RELEASED) {
ioc_err(ioc, "%s: buffer_type(0x%02x) is already released\n",
__func__, buffer_type);
return 0;
return -EINVAL;
}
request_data = ioc->diag_buffer[buffer_type];