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(parent: 7fb6f7b) | patch
MIPS: fw: Allow firmware to pass a empty env
authorJiaxun Yang <jiaxun.yang@flygoat.com>
Tue, 11 Apr 2023 11:14:26 +0000 (12:14 +0100)
committerThomas Bogendoerfer <tsbogend@alpha.franken.de>
Wed, 12 Apr 2023 13:07:36 +0000 (15:07 +0200)
commitee1809ed7bc456a72dc8410b475b73021a3a68d5
tree2332247e9e0986d219a99a0067bb4bf8f5ed9cc2tree | snapshot
parent7fb6f7b0af6742601e0efe315c78c26e88d30ff1commit | diff
MIPS: fw: Allow firmware to pass a empty env

fw_getenv will use env entry to determine style of env,
however it is legal for firmware to just pass a empty list.

Check if first entry exist before running strchr to avoid
null pointer dereference.

Cc: stable@vger.kernel.org
Link: https://github.com/clbr/n64bootloader/issues/5
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
arch/mips/fw/lib/cmdline.c diff | blob | history
Domain: System / Kernel;