drm/xe/ads: Use flexible-array

Zero-length arrays are deprecated and flexible arrays should be
used instead: https://www.kernel.org/doc/html/v6.9-rc7/process/deprecated.html#zero-length-and-one-element-arrays

Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Julia Lawall <julia.lawall@inria.fr>
Closes: https://lore.kernel.org/r/202405051824.AmjAI5Pg-lkp@intel.com/
Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Cc: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240506141917.205714-1-lucas.demarchi@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
(cherry picked from commit ee7284230644e21fef0e38fc5bf8f907b6bb7f7c)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>

diff --git a/drivers/gpu/drm/xe/xe_guc_ads.c b/drivers/gpu/drm/xe/xe_guc_ads.c
index 1aafa486edec2f9abc773a7d932f68db41678b91..7f5a523795c86cfd6dcd630dea4b4bc638a48780 100644 (file)
--- a/drivers/gpu/drm/xe/xe_guc_ads.c
+++ b/drivers/gpu/drm/xe/xe_guc_ads.c
@@ -107,7 +107,7 @@ struct __guc_ads_blob {
        struct guc_engine_usage engine_usage;
        struct guc_um_init_params um_init_params;
        /* From here on, location is dynamic! Refer to above diagram. */
-       struct guc_mmio_reg regset[0];
+       struct guc_mmio_reg regset[];
 } __packed;
 
 #define ads_blob_read(ads_, field_) \