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drm: remove dead WARN_ON NULL check after GFP_NOFAIL allocation

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kzalloc_obj with the __GFP_NOFAIL flag will never return NULL, so the
subsequent WARN_ON(!ctx) is unreachable dead code.  Remove it.

Link: https://lore.kernel.org/20260724022851.466017-5-gouhao@uniontech.com
Signed-off-by: Gou Hao <gouhao@uniontech.com>
Cc: Bharat Potnuri <bharat@chelsio.com>
Cc: Cédric Le Goater <clg@kaod.org>
Cc: Dave Airlie <airlied@gmail.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: jiazhenyuan <jiazhenyuan@uniontech.com>
Cc: Leon Romanovsky <leon@kernel.org>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nam Cao <namcao@linutronix.de>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Nilay Shroff <nilay@linux.ibm.com>
Cc: Shrikanth Hegde <sshegde@linux.ibm.com>
Cc: Thomas Zimemrmann <tzimmermann@suse.de>
Cc: Wentao Guan <guanwentao@uniontech.com>
Cc: Alistair Popple <apopple@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Gou Hao
2026-07-24 10:28:49 +08:00
committed by Andrew Morton
parent 2eed77fdcb
commit ebaf75adbe
1 changed files with 0 additions and 4 deletions
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4
drivers/gpu/drm/drm_modeset_lock.c
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@@ -149,11 +149,7 @@ void drm_modeset_lock_all(struct drm_device *dev)
int ret;
ctx = kzalloc_obj(*ctx, GFP_KERNEL | __GFP_NOFAIL);
if (WARN_ON(!ctx))
return;
mutex_lock(&config->mutex);
drm_modeset_acquire_init(ctx, 0);
retry: