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media: mali-c55: add padding to mali_c55_params_ccm structure

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The newly added structure has extra padding on the on
some architectures, which triggers a pedantic uapi check:

./usr/include/linux/media/arm/mali-c55-config.h:807:1: error: padding struct size to alignment boundary with 2 bytes [-Werror=padded]

Add explicit padding here to avoid risking information leaks
and incompatibilities between architectures.

Fixes: bb401df68c ("media: mali-c55: Add support for CCM")
Cc: stable@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
This commit is contained in:
Arnd Bergmann 2026-09-15 22:24:48 +02:00 committed by Hans Verkuil
parent 38a8c2e8a0
commit 2d3873cadd
1 changed files with 2 additions and 0 deletions
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2
include/uapi/linux/media/arm/mali-c55-config.h
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@ -794,12 +794,14 @@ struct mali_c55_params_mesh_shading_selection {
* Q4.8 format
* @gains: Gains for red, green and blue channels in unsigned Q4.8 format
* @offs: Offsets for red, green and blue channels
* @__pad: Reserved bytes
*/
struct mali_c55_params_ccm {
struct v4l2_isp_params_block_header header;
__u16 coeffs[3][3];
__u16 gains[3];
__u16 offs[3];
__u16 __pad;
};
/**