diff options
| author | Viswas G <Viswas.G@pmcs.com> | 2013-12-10 09:01:38 +0400 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2014-03-15 21:17:47 +0400 |
| commit | cf370066ac5c7d5fdf384fef24b8ba48a481ffa5 (patch) | |
| tree | a34a2eb9ac4bf4e3c6326c4bc5dfb2e08e8d2df1 /drivers/scsi/pm8001/pm80xx_hwi.c | |
| parent | 859b5d103539ece7d3219f64ce09c6bf5de124e9 (diff) | |
| download | linux-cf370066ac5c7d5fdf384fef24b8ba48a481ffa5.tar.xz | |
[SCSI] pm80xx: Fixed return value issue
pm80xx_get_gsm_dump() was returning "1" in error case
instead of negative error value.
Signed-off-by: Viswas G <Viswas.G@pmcs.com>
Reviewed-by: Jack Wang <jinpu.wang@profitbricks.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/pm8001/pm80xx_hwi.c')
| -rw-r--r-- | drivers/scsi/pm8001/pm80xx_hwi.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index c950dc5c9943..9b5414249cc4 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -91,7 +91,6 @@ ssize_t pm80xx_get_fatal_dump(struct device *cdev, struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; void __iomem *fatal_table_address = pm8001_ha->fatal_tbl_addr; - u32 status = 1; u32 accum_len , reg_val, index, *temp; unsigned long start; u8 *direct_data; @@ -111,13 +110,10 @@ ssize_t pm80xx_get_fatal_dump(struct device *cdev, direct_data = (u8 *)fatal_error_data; pm8001_ha->forensic_info.data_type = TYPE_NON_FATAL; pm8001_ha->forensic_info.data_buf.direct_len = SYSFS_OFFSET; - pm8001_ha->forensic_info.data_buf.direct_offset = 0; pm8001_ha->forensic_info.data_buf.read_len = 0; pm8001_ha->forensic_info.data_buf.direct_data = direct_data; - } - if (pm8001_ha->forensic_info.data_buf.direct_offset == 0) { /* start to get data */ /* Program the MEMBASE II Shifting Register with 0x00.*/ pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER, @@ -126,6 +122,7 @@ ssize_t pm80xx_get_fatal_dump(struct device *cdev, pm8001_ha->forensic_fatal_step = 0; pm8001_ha->fatal_bar_loc = 0; } + /* Read until accum_len is retrived */ accum_len = pm8001_mr32(fatal_table_address, MPI_FATAL_EDUMP_TABLE_ACCUM_LEN); @@ -135,7 +132,7 @@ ssize_t pm80xx_get_fatal_dump(struct device *cdev, PM8001_IO_DBG(pm8001_ha, pm8001_printk("Possible PCI issue 0x%x not expected\n", accum_len)); - return status; + return -EIO; } if (accum_len == 0 || accum_len >= 0x100000) { pm8001_ha->forensic_info.data_buf.direct_data += @@ -178,7 +175,6 @@ moreData: pm8001_ha->forensic_fatal_step = 1; pm8001_ha->fatal_forensic_shift_offset = 0; pm8001_ha->forensic_last_offset = 0; - status = 0; return (char *)pm8001_ha-> forensic_info.data_buf.direct_data - (char *)buf; @@ -194,7 +190,6 @@ moreData: forensic_info.data_buf.direct_data, "%08x ", *(temp + index)); } - status = 0; return (char *)pm8001_ha-> forensic_info.data_buf.direct_data - (char *)buf; @@ -214,7 +209,6 @@ moreData: pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER, pm8001_ha->fatal_forensic_shift_offset); pm8001_ha->fatal_bar_loc = 0; - status = 0; return (char *)pm8001_ha->forensic_info.data_buf.direct_data - (char *)buf; } @@ -239,7 +233,7 @@ moreData: PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("TIMEOUT:MEMBASE_II_SHIFT_REGISTER" " = 0x%x\n", reg_val)); - return -1; + return -EIO; } /* Read the next 64K of the debug data. */ @@ -259,7 +253,6 @@ moreData: pm8001_ha->forensic_info.data_buf.direct_len = 0; pm8001_ha->forensic_info.data_buf.direct_offset = 0; pm8001_ha->forensic_info.data_buf.read_len = 0; - status = 0; } } |