4.2.8-ckt7 -stable review patch.  If anyone has any objections, please let me 
know.

---8<------------------------------------------------------------

From: Arnd Bergmann <[email protected]>

commit 3deb9438d34a09f6796639b652a01d110aca9f75 upstream.

gcc-6 found a dubious indentation in the megasas_mgmt_fw_ioctl
function:

drivers/scsi/megaraid/megaraid_sas_base.c: In function 'megasas_mgmt_fw_ioctl':
drivers/scsi/megaraid/megaraid_sas_base.c:6658:4: warning: statement is 
indented as if it were guarded by... [-Wmisleading-indentation]
    kbuff_arr[i] = NULL;
    ^~~~~~~~~
drivers/scsi/megaraid/megaraid_sas_base.c:6653:3: note: ...this 'if' clause, 
but it is not
   if (kbuff_arr[i])
   ^~

The code is actually correct, as there is no downside in clearing a NULL
pointer again.

This clarifies the code and avoids the warning by adding extra curly
braces.

Signed-off-by: Arnd Bergmann <[email protected]>
Fixes: 90dc9d98f01b ("megaraid_sas : MFI MPT linked list corruption fix")
Reviewed-by: Hannes Reinecke <[email protected]>
Acked-by: Sumit Saxena <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
Signed-off-by: Kamal Mostafa <[email protected]>
---
 drivers/scsi/megaraid/megaraid_sas_base.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c 
b/drivers/scsi/megaraid/megaraid_sas_base.c
index ffe1096..9c385c0 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -6146,12 +6146,13 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
        }
 
        for (i = 0; i < ioc->sge_count; i++) {
-               if (kbuff_arr[i])
+               if (kbuff_arr[i]) {
                        dma_free_coherent(&instance->pdev->dev,
                                          le32_to_cpu(kern_sge32[i].length),
                                          kbuff_arr[i],
                                          le32_to_cpu(kern_sge32[i].phys_addr));
                        kbuff_arr[i] = NULL;
+               }
        }
 
        megasas_return_cmd(instance, cmd);
-- 
2.7.4

Reply via email to