diff options
| author | Zhaoyang Yu <2426767509@qq.com> | 2026-04-09 13:41:58 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-05-11 17:02:07 +0200 |
| commit | 6fe472c1bbbe238e91141f7cabc1226e96a60d43 (patch) | |
| tree | 6ddc72a92248067ecf3a02db68fa93bd63b9aff5 /include | |
| parent | d15cd40cb1858f75846eaafa9a6bca841b790a92 (diff) | |
tty: serial: pch_uart: add check for dma_alloc_coherent()
Add a check for dma_alloc_coherent() failure to prevent a potential
NULL pointer dereference in dma_handle_rx(). Properly release DMA
channels and the PCI device reference using a goto ladder if the
allocation fails.
Fixes: 3c6a483275f4 ("Serial: EG20T: add PCH_UART driver")
Cc: stable <stable@kernel.org>
Signed-off-by: Zhaoyang Yu <2426767509@qq.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/tencent_E328416B7CFD436F6029F2DF02AD7ED89C08@qq.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions