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drm/xe/oa: Disallow 0 OA property values

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An OA property value of 0 is invalid and will cause a NPD.

Reported-by: Peter Senna Tschudin <peter.senna@linux.intel.com>
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/6452
Fixes: cc4e6994d5 ("drm/xe/oa: Move functions up so they can be reused for config ioctl")
Cc: stable@vger.kernel.org
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Reviewed-by: Harish Chegondi <harish.chegondi@intel.com>
Link: https://patch.msgid.link/20251212061850.1565459-3-ashutosh.dixit@intel.com
(cherry picked from commit 7a100e6ddcc47c1f6ba7a19402de86ce24790621)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
This commit is contained in:
Ashutosh Dixit
2025-12-11 22:18:49 -08:00
committed by Thomas Hellström
parent eb192bedf5
commit 3595114bc3
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/xe/xe_oa.c
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@@ -1347,7 +1347,7 @@ static int xe_oa_user_ext_set_property(struct xe_oa *oa, enum xe_oa_user_extn_fr
ARRAY_SIZE(xe_oa_set_property_funcs_config));
if (XE_IOCTL_DBG(oa->xe, ext.property >= ARRAY_SIZE(xe_oa_set_property_funcs_open)) ||
XE_IOCTL_DBG(oa->xe, ext.pad))
XE_IOCTL_DBG(oa->xe, !ext.property) || XE_IOCTL_DBG(oa->xe, ext.pad))
return -EINVAL;
idx = array_index_nospec(ext.property, ARRAY_SIZE(xe_oa_set_property_funcs_open));