Messages in this thread Patch in this message | | | From | Thomas Zimmermann <> | Subject | [PATCH v3 18/18] fbdev: Document that framebuffer_alloc() returns zero'ed data | Date | Fri, 14 Jul 2023 09:49:44 +0200 |
| |
Most fbdev drivers depend on framebuffer_alloc() to initialize the allocated memory to 0. Document this guarantee.
v3: * slightly reword the sentence (Miguel)
Suggested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Miguel Ojeda <ojeda@kernel.org> Cc: Helge Deller <deller@gmx.de> --- drivers/video/fbdev/core/fb_info.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/video/fbdev/core/fb_info.c b/drivers/video/fbdev/core/fb_info.c index 8bdbefdd4b70..4847ebe50d7d 100644 --- a/drivers/video/fbdev/core/fb_info.c +++ b/drivers/video/fbdev/core/fb_info.c @@ -13,7 +13,8 @@ * * Creates a new frame buffer info structure. Also reserves @size bytes * for driver private data (info->par). info->par (if any) will be - * aligned to sizeof(long). + * aligned to sizeof(long). The new instances of struct fb_info and + * the driver private data are both cleared to zero. * * Returns the new structure, or NULL if an error occurred. * -- 2.41.0
| |