drivers/scsi/megaraid/megaraid_sas_fusion.c:608:2-18: WARNING: NULL check
before freeing functions like kfree, debugfs_remove, debugfs_remove_recursive
or usb_free_urb is not needed. Maybe consider reorganizing relevant code to
avoid passing NULL values.
drivers/scsi/megaraid/megaraid_sas_fusion.c:629:2-18: WARNING: NULL check
before freeing functions like kfree, debugfs_remove, debugfs_remove_recursive
or usb_free_urb is not needed. Maybe consider reorganizing relevant code to
avoid passing NULL values.
NULL check before some freeing functions is not needed.
Based on checkpatch warning
"kfree(NULL) is safe this check is probably not required"
and kfreeaddr.cocci by Julia Lawall.
Generated by: scripts/coccinelle/free/ifnullfree.cocci
Fixes: cbb80044a6c7 ("scsi: megaraid: Replace PCI pool old API")
CC: Romain Perier <[email protected]>
Signed-off-by: Fengguang Wu <[email protected]>
---
megaraid_sas_fusion.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -604,8 +604,7 @@ megasas_free_rdpq_fusion(struct megasas_
fusion->reply_frames_desc_phys[i]);
}
- if (fusion->reply_frames_desc_pool)
- dma_pool_destroy(fusion->reply_frames_desc_pool);
+ dma_pool_destroy(fusion->reply_frames_desc_pool);
if (fusion->rdpq_virt)
pci_free_consistent(instance->pdev,
@@ -625,8 +624,7 @@ megasas_free_reply_fusion(struct megasas
fusion->reply_frames_desc[0],
fusion->reply_frames_desc_phys[0]);
- if (fusion->reply_frames_desc_pool)
- dma_pool_destroy(fusion->reply_frames_desc_pool);
+ dma_pool_destroy(fusion->reply_frames_desc_pool);
}
