diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0470-staging-bcm2835-audio-don-t-initialize-memory-twice.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0470-staging-bcm2835-audio-don-t-initialize-memory-twice.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0470-staging-bcm2835-audio-don-t-initialize-memory-twice.patch b/target/linux/brcm2708/patches-4.19/950-0470-staging-bcm2835-audio-don-t-initialize-memory-twice.patch new file mode 100644 index 0000000000..9845a03f08 --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0470-staging-bcm2835-audio-don-t-initialize-memory-twice.patch @@ -0,0 +1,30 @@ +From 2477bc42397c7be4c74429b6fb8c1325765b9a46 Mon Sep 17 00:00:00 2001 +From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> +Date: Wed, 17 Oct 2018 21:01:51 +0200 +Subject: [PATCH 470/703] staging: bcm2835-audio: don't initialize memory twice + +commit 2e5f59fb77397cab3bc3d156e8be4164a67d32ef upstream. + +The memory is being allocated with devres_alloc(), wich ultimately uses +__GFP_ZERO to call kmalloc. We don't need to zero the memory area again +in bcm2835-audio. + +Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> +Reviewed-by: Takashi Iwai <tiwai@suse.de> +Acked-by: Stefan Wahren <stefan.wahren@i2se.com> +Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +--- + drivers/staging/vc04_services/bcm2835-audio/bcm2835.c | 2 -- + 1 file changed, 2 deletions(-) + +--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c ++++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c +@@ -39,8 +39,6 @@ static int bcm2835_devm_add_vchi_ctx(str + if (!vchi_ctx) + return -ENOMEM; + +- memset(vchi_ctx, 0, sizeof(*vchi_ctx)); +- + ret = bcm2835_new_vchi_ctx(dev, vchi_ctx); + if (ret) { + devres_free(vchi_ctx); |