[PATCH 3/3] drm/xe/eustall: Disallow 0 EU stall property values

[Ashutosh Dixit <ashutosh.dixit@intel.com>]

An EU stall 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/6453
Fixes: 1537ec85ebd7 ("drm/xe/uapi: Introduce API for EU stall sampling")
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
---
 drivers/gpu/drm/xe/xe_eu_stall.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_eu_stall.c b/drivers/gpu/drm/xe/xe_eu_stall.c
index 97dfb7945b7ac..a5c36a317a707 100644
--- a/drivers/gpu/drm/xe/xe_eu_stall.c
+++ b/drivers/gpu/drm/xe/xe_eu_stall.c
@@ -315,7 +315,7 @@ static int xe_eu_stall_user_ext_set_property(struct xe_device *xe, u64 extension
 		return -EFAULT;
 
 	if (XE_IOCTL_DBG(xe, ext.property >= ARRAY_SIZE(xe_set_eu_stall_property_funcs)) ||
-	    XE_IOCTL_DBG(xe, ext.pad))
+	    XE_IOCTL_DBG(xe, !ext.property) || XE_IOCTL_DBG(xe, ext.pad))
 		return -EINVAL;
 
 	idx = array_index_nospec(ext.property, ARRAY_SIZE(xe_set_eu_stall_property_funcs));
-- 
2.48.1