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| author |   Uma Krishnan <ukrishn@linux.vnet.ibm.com> | 2017-08-25 17:18:12 -0500 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2017-08-25 18:24:04 -0400 |
| commit | 07a191f762a7b8d0db13c38036380927116e29bb (patch) | |
| tree | 5e6b730c1f96ae3d12ce46b17b2bfeddfc4b099c /drivers/scsi/lpfc/lpfc_nvmet.c | |
| parent | scsi: cxlflash: Avoid double mutex unlock (diff) | |
| download | linux-dev-07a191f762a7b8d0db13c38036380927116e29bb.tar.xz linux-dev-07a191f762a7b8d0db13c38036380927116e29bb.zip | |
scsi: cxlflash: Fix vlun resize failure in the shrink path
The ioctl DK_CAPI_VLUN_RESIZE can fail if the allocated vlun size is
reduced from almost maximum capacity and then increased again.
The shrink_lxt() routine is currently using the SISL_ASTATUS_MASK to
mask the higher 48 bits of the lxt entry. This is unnecessary and
incorrect as it uses a mask designed for the asynchronous interrupt
status register. When the 4 port support was added to cxlflash, the
SISL_ASTATUS_MASK was updated to reflect the status bits for all 4
ports. This change indirectly affected the shrink_lxt() code path.
To extract the base, simply shift the bits without masking.
Fixes: 565180723294 ("scsi: cxlflash: SISlite updates to support 4 ports")
Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions