github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-30 10:04:04 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/xe/configfs: Fix engine class parsing

Browse Source 
If mask is NULL, only the engine class should be accepted, so the
pattern string should be completely parsed. This should fix passing e.g.
rcs0 to ctx_restore_post_bb when it's only expecting the engine class.

Reported-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Closes: https://lore.kernel.org/r/20250922155544.67712-1-jonathan.cavitt@intel.com
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/aNJKnrCQmL9xS9Gv@stanley.mountain
Fixes: e2a9854d80 ("drm/xe/configfs: Allow to select by class only")
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Reviewed-by: Raag Jadav <raag.jadav@intel.com>
Link: https://lore.kernel.org/r/20250924152709.659483-3-lucas.demarchi@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
(cherry picked from commit dd79796716)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
This commit is contained in:
Lucas De Marchi 2025-09-24 08:27:10 -07:00
parent 7bd03e3914
commit 7646423c7f
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/xe/xe_configfs.c
View File

@ -324,8 +324,8 @@ static const struct engine_info *lookup_engine_info(const char *pattern, u64 *ma
continue;
pattern += strlen(engine_info[i].cls);
if (!mask && !*pattern)
return &engine_info[i];
if (!mask)
return *pattern ? NULL : &engine_info[i];
if (!strcmp(pattern, "*")) {
*mask = engine_info[i].mask;