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mpt3sas: Fix warnings exposed by W=1

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Trivial non-functional changes for a couple annoying things:

  1) Functions local to files are not declared static, which is
  frustrating when reading the code because it's non-obvious at first
  glance what's actually called from other files.

  2) Set-but-unused variables abound, presumably to mask -Wunused-result
  errors in the past. None of these are flagged today though (with one
  exception noted below), so remove them.

Fixing (2) exposed the fact that we improperly ignore the return value
of scsi_device_reprobe() in _scsih_reprobe_lun(). Fixing the calling
code to deal with the potential error is non-trivial, so for now just
WARN().

Signed-off-by: Calvin Owens <calvinowens@fb.com>
Acked-by: Chaitra P B <chaitra.basappa@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Calvin Owens
2016-07-28 21:38:22 -07:00
committed by Martin K. Petersen
parent 98c56ad32c
commit 8bbb1cf63f
5 changed files with 56 additions and 81 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/scsi/mpt3sas/mpt3sas_transport.c
View File

@@ -300,7 +300,6 @@ _transport_expander_report_manufacture(struct MPT3SAS_ADAPTER *ioc,
int rc;
u16 smid;
u32 ioc_state;
unsigned long timeleft;
void *psge;
u8 issue_reset = 0;
void *data_out = NULL;
@@ -394,8 +393,7 @@ _transport_expander_report_manufacture(struct MPT3SAS_ADAPTER *ioc,
ioc->name, (unsigned long long)sas_address));
init_completion(&ioc->transport_cmds.done);
mpt3sas_base_put_smid_default(ioc, smid);
timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done,
10*HZ);
wait_for_completion_timeout(&ioc->transport_cmds.done, 10*HZ);
if (!(ioc->transport_cmds.status & MPT3_CMD_COMPLETE)) {
pr_err(MPT3SAS_FMT "%s: timeout\n",
@@ -1106,7 +1104,6 @@ _transport_get_expander_phy_error_log(struct MPT3SAS_ADAPTER *ioc,
int rc;
u16 smid;
u32 ioc_state;
unsigned long timeleft;
void *psge;
u8 issue_reset = 0;
void *data_out = NULL;
@@ -1202,8 +1199,7 @@ _transport_get_expander_phy_error_log(struct MPT3SAS_ADAPTER *ioc,
phy->number));
init_completion(&ioc->transport_cmds.done);
mpt3sas_base_put_smid_default(ioc, smid);
timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done,
10*HZ);
wait_for_completion_timeout(&ioc->transport_cmds.done, 10*HZ);
if (!(ioc->transport_cmds.status & MPT3_CMD_COMPLETE)) {
pr_err(MPT3SAS_FMT "%s: timeout\n",
@@ -1419,7 +1415,6 @@ _transport_expander_phy_control(struct MPT3SAS_ADAPTER *ioc,
int rc;
u16 smid;
u32 ioc_state;
unsigned long timeleft;
void *psge;
u8 issue_reset = 0;
void *data_out = NULL;
@@ -1520,8 +1515,7 @@ _transport_expander_phy_control(struct MPT3SAS_ADAPTER *ioc,
phy->number, phy_operation));
init_completion(&ioc->transport_cmds.done);
mpt3sas_base_put_smid_default(ioc, smid);
timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done,
10*HZ);
wait_for_completion_timeout(&ioc->transport_cmds.done, 10*HZ);
if (!(ioc->transport_cmds.status & MPT3_CMD_COMPLETE)) {
pr_err(MPT3SAS_FMT "%s: timeout\n",
@@ -1896,7 +1890,6 @@ _transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
int rc;
u16 smid;
u32 ioc_state;
unsigned long timeleft;
void *psge;
u8 issue_reset = 0;
dma_addr_t dma_addr_in = 0;
@@ -2040,8 +2033,7 @@ _transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
init_completion(&ioc->transport_cmds.done);
mpt3sas_base_put_smid_default(ioc, smid);
timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done,
10*HZ);
wait_for_completion_timeout(&ioc->transport_cmds.done, 10*HZ);
if (!(ioc->transport_cmds.status & MPT3_CMD_COMPLETE)) {
pr_err(MPT3SAS_FMT "%s : timeout\n",