A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-30 11:41:38 -04:00
Code Issues Projects Releases Packages Wiki Activity

serial: mvebu-uart: Fix to avoid a potential NULL pointer dereference

Browse source 
of_match_device on failure to find a matching device can return a NULL
pointer. The patch checks for such a scenrio and passes the error upstream.

Signed-off-by: Aditya Pakki <[email protected]>
Cc: stable <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Aditya Pakki 2019-03-18 18:50:56 -05:00 • committed by Greg Kroah-Hartman
commit 32f4717983
1 changed files with 3 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

3
drivers/tty/serial/mvebu-uart.c
View file

@ -810,6 +810,9 @@ static int mvebu_uart_probe(struct platform_device *pdev)
return -EINVAL;
}
if (!match)
return -ENODEV;
/* Assume that all UART ports have a DT alias or none has */
id = of_alias_get_id(pdev->dev.of_node, "serial");
if (!pdev->dev.of_node || id < 0)