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authorGravatar Peiwei Hu <jlu.hpw@foxmail.com> 2021-11-19 17:12:18 +0800
committerGravatar Michael Ellerman <mpe@ellerman.id.au> 2021-11-25 11:25:33 +1100
commit869fb7e5aecbc163003f93f36dcc26d0554319f6 (patch)
treeb6cc48a5318097b107c0d6c7d806042e00f8c183 /arch/powerpc/kernel/prom_init.c
parentpowerpc/rtas: rtas_busy_delay_time() kernel-doc (diff)
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powerpc/prom_init: Fix improper check of prom_getprop()
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.com
Diffstat (limited to 'arch/powerpc/kernel/prom_init.c')
-rw-r--r--arch/powerpc/kernel/prom_init.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 18b04b08b983..f845065c860e 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -2991,7 +2991,7 @@ 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;
/*