Commit 81233d54 authored by Lizhi Hou's avatar Lizhi Hou
Browse files

accel/amdxdna: Fix uninitialized return value 



In aie2_get_hwctx_status() and aie2_query_ctx_status_array(), the
functions could return an uninitialized value in some cases. Update them
to always return 0. The amount of valid results is indicated by the
returned buffer_size, element_size, and num_element fields.

Fixes: 2f509fe6 ("accel/amdxdna: Add ioctl DRM_IOCTL_AMDXDNA_GET_ARRAY")
Reviewed-by: default avatarMario Limonciello (AMD) <superm1@kernel.org>
Signed-off-by: default avatarLizhi Hou <lizhi.hou@amd.com>
Link: https://patch.msgid.link/20251024165503.1548131-1-lizhi.hou@amd.com
parent 41ee9023

drivers/accel/amdxdna/aie2_pci.c

+2 −2
Original line number Diff line number Diff line
@@ -822,7 +822,7 @@ static int aie2_get_hwctx_status(struct amdxdna_client *client, 
	}



	args->buffer_size -= (u32)(array_args.buffer - args->buffer);

	return ret;

	return 0;

}



static int aie2_get_info(struct amdxdna_client *client, struct amdxdna_drm_get_info *args)
@@ -904,7 +904,7 @@ static int aie2_query_ctx_status_array(struct amdxdna_client *client, 
	args->num_element = (u32)((array_args.buffer - args->buffer) /

				  args->element_size);



	return ret;

	return 0;

}



static int aie2_get_array(struct amdxdna_client *client,