Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Use devm_kmemdup to replace devm_kmalloc + memcpy
Merge series from Li Zetao <lizetao1@huawei.com>:
This patch set use the helper function devm_kmemdup() to replace
devm_kmalloc + memcpy, which is the same as implementing the function
separately.
+2
-6
+1
-2
sound/soc/codecs/tas5805m.c
+1
-2
sound/soc/codecs/tas5805m.c
···
520
520
}
521
521
522
522
tas5805m->dsp_cfg_len = fw->size;
523
-
tas5805m->dsp_cfg_data = devm_kmalloc(dev, fw->size, GFP_KERNEL);
523
+
tas5805m->dsp_cfg_data = devm_kmemdup(dev, fw->data, fw->size, GFP_KERNEL);
524
524
if (!tas5805m->dsp_cfg_data) {
525
525
release_firmware(fw);
526
526
return -ENOMEM;
527
527
}
528
-
memcpy(tas5805m->dsp_cfg_data, fw->data, fw->size);
529
528
530
529
release_firmware(fw);
531
530
+1
-4
sound/soc/sof/ipc3.c
+1
-4
sound/soc/sof/ipc3.c
···
567
567
/* create read-only cc_version debugfs to store compiler version info */
568
568
/* use local copy of the cc_version to prevent data corruption */
569
569
if (sdev->first_boot) {
570
-
sdev->cc_version = devm_kmalloc(sdev->dev, cc->ext_hdr.hdr.size,
571
-
GFP_KERNEL);
572
-
570
+
sdev->cc_version = devm_kmemdup(sdev->dev, cc, cc->ext_hdr.hdr.size, GFP_KERNEL);
573
571
if (!sdev->cc_version)
574
572
return -ENOMEM;
575
573
576
-
memcpy(sdev->cc_version, cc, cc->ext_hdr.hdr.size);
577
574
ret = snd_sof_debugfs_buf_item(sdev, sdev->cc_version,
578
575
cc->ext_hdr.hdr.size,
579
576
"cc_version", 0444);