diff options
| author | Matthew Auld <matthew.auld@intel.com> | 2024-10-11 16:36:34 +0300 |
|---|---|---|
| committer | Lucas De Marchi <lucas.demarchi@intel.com> | 2024-10-16 17:00:22 +0300 |
| commit | 816b186ce2e87df7c7ead4ad44f70f3b10a04c91 (patch) | |
| tree | eeb344365e6314744e37fe9ef573c118e9328445 /drivers | |
| parent | 4e8b5a165160e2f521cc10bae58ce0b72b2e22b5 (diff) | |
| download | linux-816b186ce2e87df7c7ead4ad44f70f3b10a04c91.tar.xz | |
drm/xe/xe_sync: initialise ufence.signalled
We can incorrectly think that the fence has signalled, if we get a
non-zero value here from the kmalloc, which is quite plausible. Just use
kzalloc to prevent stuff like this.
Fixes: 977e5b82e090 ("drm/xe: Expose user fence from xe_sync_entry")
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Nirmoy Das <nirmoy.das@intel.com>
Cc: <stable@vger.kernel.org> # v6.10+
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241011133633.388008-2-matthew.auld@intel.com
(cherry picked from commit 26f69e88dcc95fffc62ed2aea30ad7b1fdf31fdb)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_sync.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/xe/xe_sync.c b/drivers/gpu/drm/xe/xe_sync.c index bb3c2a830362..c6cf227ead40 100644 --- a/drivers/gpu/drm/xe/xe_sync.c +++ b/drivers/gpu/drm/xe/xe_sync.c @@ -58,7 +58,7 @@ static struct xe_user_fence *user_fence_create(struct xe_device *xe, u64 addr, if (!access_ok(ptr, sizeof(*ptr))) return ERR_PTR(-EFAULT); - ufence = kmalloc(sizeof(*ufence), GFP_KERNEL); + ufence = kzalloc(sizeof(*ufence), GFP_KERNEL); if (!ufence) return ERR_PTR(-ENOMEM); |