lkml.org 
[lkml]   [2020]   [May]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2 27/41] media: atomisp: avoid an extra memset() when alloc memory
Date
Use the variant which zeroes the memory when allocating,
instead of having an explicit memset.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
.../staging/media/atomisp/pci/runtime/pipeline/src/pipeline.c | 3 +--
drivers/staging/media/atomisp/pci/sh_css.c | 3 +--
2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/media/atomisp/pci/runtime/pipeline/src/pipeline.c b/drivers/staging/media/atomisp/pci/runtime/pipeline/src/pipeline.c
index ebf36f7a514f..feacd8f12b14 100644
--- a/drivers/staging/media/atomisp/pci/runtime/pipeline/src/pipeline.c
+++ b/drivers/staging/media/atomisp/pci/runtime/pipeline/src/pipeline.c
@@ -593,12 +593,11 @@ static enum ia_css_err pipeline_stage_create(
out_frame[i] = stage_desc->out_frame[i];
}

- stage = kvmalloc(sizeof(*stage), GFP_KERNEL);
+ stage = kvzalloc(sizeof(*stage), GFP_KERNEL);
if (!stage) {
err = IA_CSS_ERR_CANNOT_ALLOCATE_MEMORY;
goto ERR;
}
- memset(stage, 0, sizeof(*stage));

if (firmware) {
stage->binary = NULL;
diff --git a/drivers/staging/media/atomisp/pci/sh_css.c b/drivers/staging/media/atomisp/pci/sh_css.c
index 4269c16ad4f1..90d73fd8aa1b 100644
--- a/drivers/staging/media/atomisp/pci/sh_css.c
+++ b/drivers/staging/media/atomisp/pci/sh_css.c
@@ -9398,7 +9398,7 @@ ia_css_stream_create(const struct ia_css_stream_config *stream_config,
}

/* allocate the stream instance */
- curr_stream = kmalloc(sizeof(struct ia_css_stream), GFP_KERNEL);
+ curr_stream = kzalloc(sizeof(struct ia_css_stream), GFP_KERNEL);
if (!curr_stream)
{
err = IA_CSS_ERR_CANNOT_ALLOCATE_MEMORY;
@@ -9406,7 +9406,6 @@ ia_css_stream_create(const struct ia_css_stream_config *stream_config,
return err;
}
/* default all to 0 */
- memset(curr_stream, 0, sizeof(struct ia_css_stream));
curr_stream->info.metadata_info = md_info;

/* allocate pipes */
--
2.26.2
\
 
 \ /
  Last update: 2020-05-30 08:59    [W:0.111 / U:1.620 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site