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media: imx-jpeg: Cleanup after an allocation error

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commit 7500bb9cf164edbb2c8117d57620227b1a4a8369 upstream.

When allocation failures are not cleaned up by the driver, further
allocation errors will be false-positives, which will cause buffers to
remain uninitialized and cause NULL pointer dereferences.
Ensure proper cleanup of failed allocations to prevent these issues.

Fixes: 2db16c6ed7 ("media: imx-jpeg: Add V4L2 driver for i.MX8 JPEG Encoder/Decoder")
Cc: stable@vger.kernel.org
Signed-off-by: Ming Qian <ming.qian@oss.nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ming Qian
2025-04-21 16:12:54 +08:00
committed by Greg Kroah-Hartman
parent 20a6db0ef3
commit ec26be7d63
1 changed files with 1 additions and 0 deletions
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drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
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@@ -820,6 +820,7 @@ skip_alloc:
return true;
err:
dev_err(jpeg->dev, "Could not allocate descriptors for slot %d", jpeg->slot_data.slot);
mxc_jpeg_free_slot_data(jpeg);
return false;
}