drm/msm: Add error handling for krealloc in metadata setup

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[ Upstream commit 1c8c354098 ]

Function msm_ioctl_gem_info_set_metadata() now checks for krealloc
failure and returns -ENOMEM, avoiding potential NULL pointer dereference.
Explicitly avoids __GFP_NOFAIL due to deadlock risks and allocation constraints.

Signed-off-by: Yuan Chen <chenyuan@kylinos.cn>
Patchwork: https://patchwork.freedesktop.org/patch/661235/
Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Yuan Chen 2025-06-27 10:16:43 +08:00 • committed by Greg Kroah-Hartman

parent 20406ace80

commit 53dc780c1e

1 changed files with 8 additions and 1 deletions

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drivers/gpu/drm/msm/msm_drv.c

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