From: Peiwei Hu jlu.hpw@foxmail.com
[ Upstream commit 869fb7e5aecbc163003f93f36dcc26d0554319f6 ]
prom_getprop() can return PROM_ERROR. Binary operator can not identify it.
Fixes: 94d2dde738a5 ("[POWERPC] Efika: prune fixups and make them more carefull") Signed-off-by: Peiwei Hu jlu.hpw@foxmail.com Signed-off-by: Michael Ellerman mpe@ellerman.id.au Link: https://lore.kernel.org/r/tencent_BA28CC6897B7C95A92EB8C580B5D18589105@qq.co... Signed-off-by: Sasha Levin sashal@kernel.org --- arch/powerpc/kernel/prom_init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 7e337c570ea6b..9e71c0739f08d 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -2956,7 +2956,7 @@ static void __init fixup_device_tree_efika_add_phy(void)
/* Check if the phy-handle property exists - bail if it does */ rv = prom_getprop(node, "phy-handle", prop, sizeof(prop)); - if (!rv) + if (rv <= 0) return;
/*