tty: serial: pch_uart: add check for pci_get_slot()

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Add check for pci_get_slot() to prevent a potetial
null pointer dereference in pch_request_dma().

Signed-off-by: Haoxiang Li <haoxiang_li2024@163.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20260623140539.2272473-1-haoxiang_li2024@163.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Haoxiang Li 2026-06-23 22:05:39 +08:00 • committed by Greg Kroah-Hartman

parent a9b2c446e3

commit 970ede67de

1 changed files with 5 additions and 0 deletions

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drivers/tty/serial/pch_uart.c

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