HID: Intel-thc-hid: Intel-thc: Add safety check for reading DMA buffer

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[ Upstream commit a9a917998d ]

Add DMA buffer readiness check before reading DMA buffer to avoid
unexpected NULL pointer accessing.

Signed-off-by: Even Xu <even.xu@intel.com>
Tested-by: Rui Zhang <rui1.zhang@intel.com>
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Even Xu 2025-12-26 11:39:53 +08:00 • committed by Greg Kroah-Hartman

parent 2124279f1f

commit 1e84a807c9

1 changed files with 5 additions and 0 deletions

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drivers/hid/intel-thc-hid/intel-thc/intel-thc-dma.c

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