[PATCH 4/6] staging: vchiq_arm: Delete an error message for a failed memory allocation in dump_phys_mem()

From: SF Markus Elfring
Date: Sat Dec 31 2016 - 17:04:06 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sat, 31 Dec 2016 21:30:31 +0100

Omit an extra message for a memory allocation failure in this function.

Link: http://events.linuxfoundation.org/sites/events/files/slides/LCJ16-Refactor_Strings-WSang_0.pdf
Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
index a316cf9ac626..3b7a0c87954d 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
@@ -1559,12 +1559,8 @@ dump_phys_mem(void *virt_addr, uint32_t num_bytes)

num_pages = (offset + num_bytes + PAGE_SIZE - 1) / PAGE_SIZE;
pages = kmalloc_array(num_pages, sizeof(*pages), GFP_KERNEL);
- if (!pages) {
- vchiq_log_error(vchiq_arm_log_level,
- "Unable to allocation memory for %d pages\n",
- num_pages);
+ if (!pages)
return;
- }

down_read(&current->mm->mmap_sem);
rc = get_user_pages(
--
2.11.0