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| author | James Bottomley <James.Bottomley@HansenPartnership.com> | 2018-03-27 18:27:34 +0200 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2018-04-04 02:38:39 +0200 |
| commit | 2e1f44f6ad8008be353c7c99286f7a747b4b3cf4 (patch) | |
| tree | 9ab4f369e72a6f1953f53269030bbba047c6be8a /drivers/scsi/sd_zbc.c | |
| parent | scsi: ufs: Add support for Auto-Hibernate Idle Timer (diff) | |
| parent | scsi: qla2xxx: fx00 copypaste typo (diff) | |
| download | linux-2e1f44f6ad8008be353c7c99286f7a747b4b3cf4.tar.xz linux-2e1f44f6ad8008be353c7c99286f7a747b4b3cf4.zip | |
Merge branch 'fixes' into misc
Somewhat nasty merge due to conflicts between "33b28357dd00 scsi:
qla2xxx: Fix Async GPN_FT for FCP and FC-NVMe scan" and "2b5b96473efc
scsi: qla2xxx: Fix FC-NVMe LUN discovery"
Merge is non-trivial and has been verified by Qlogic (Cavium)
Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
Diffstat (limited to 'drivers/scsi/sd_zbc.c')
| -rw-r--r-- | drivers/scsi/sd_zbc.c | 35 |
1 files changed, 15 insertions, 20 deletions
diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c index 8f3669fd490d..41df75eea57b 100644 --- a/drivers/scsi/sd_zbc.c +++ b/drivers/scsi/sd_zbc.c @@ -403,7 +403,7 @@ static int sd_zbc_check_capacity(struct scsi_disk *sdkp, unsigned char *buf) */ static int sd_zbc_check_zone_size(struct scsi_disk *sdkp) { - u64 zone_blocks; + u64 zone_blocks = 0; sector_t block = 0; unsigned char *buf; unsigned char *rec; @@ -421,10 +421,8 @@ static int sd_zbc_check_zone_size(struct scsi_disk *sdkp) /* Do a report zone to get the same field */ ret = sd_zbc_report_zones(sdkp, buf, SD_ZBC_BUF_SIZE, 0); - if (ret) { - zone_blocks = 0; - goto out; - } + if (ret) + goto out_free; same = buf[4] & 0x0f; if (same > 0) { @@ -464,7 +462,7 @@ static int sd_zbc_check_zone_size(struct scsi_disk *sdkp) ret = sd_zbc_report_zones(sdkp, buf, SD_ZBC_BUF_SIZE, block); if (ret) - return ret; + goto out_free; } } while (block < sdkp->capacity); @@ -472,35 +470,32 @@ static int sd_zbc_check_zone_size(struct scsi_disk *sdkp) zone_blocks = sdkp->zone_blocks; out: - kfree(buf); - if (!zone_blocks) { if (sdkp->first_scan) sd_printk(KERN_NOTICE, sdkp, "Devices with non constant zone " "size are not supported\n"); - return -ENODEV; - } - - if (!is_power_of_2(zone_blocks)) { + ret = -ENODEV; + } else if (!is_power_of_2(zone_blocks)) { if (sdkp->first_scan) sd_printk(KERN_NOTICE, sdkp, "Devices with non power of 2 zone " "size are not supported\n"); - return -ENODEV; - } - - if (logical_to_sectors(sdkp->device, zone_blocks) > UINT_MAX) { + ret = -ENODEV; + } else if (logical_to_sectors(sdkp->device, zone_blocks) > UINT_MAX) { if (sdkp->first_scan) sd_printk(KERN_NOTICE, sdkp, "Zone size too large\n"); - return -ENODEV; + ret = -ENODEV; + } else { + sdkp->zone_blocks = zone_blocks; + sdkp->zone_shift = ilog2(zone_blocks); } - sdkp->zone_blocks = zone_blocks; - sdkp->zone_shift = ilog2(zone_blocks); +out_free: + kfree(buf); - return 0; + return ret; } /** |