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authorHangyu Hua <hbh25y@gmail.com>2022-02-23 15:02:23 +0800
committerMichael Ellerman <mpe@ellerman.id.au>2022-03-09 21:46:55 +1100
commit3fd46e551f67f4303c3276a0d6cd20baf2d192c4 (patch)
treedebfa2ecaa492a082e9938e08135a6619cc6db4c
parent9f5196065eeb96fee1a15f2eae31fe1fc7623ade (diff)
powerpc: 8xx: fix a return value error in mpc8xx_pic_init
mpc8xx_pic_init() should return -ENOMEM instead of 0 when irq_domain_add_linear() return NULL. This cause mpc8xx_pics_init to continue executing even if mpc8xx_pic_host is NULL. Fixes: cc76404feaed ("powerpc/8xx: Fix possible device node reference leak") Signed-off-by: Hangyu Hua <hbh25y@gmail.com> Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220223070223.26845-1-hbh25y@gmail.com
-rw-r--r--arch/powerpc/platforms/8xx/pic.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/8xx/pic.c b/arch/powerpc/platforms/8xx/pic.c
index f2ba837249d6..04a6abf14c29 100644
--- a/arch/powerpc/platforms/8xx/pic.c
+++ b/arch/powerpc/platforms/8xx/pic.c
@@ -153,6 +153,7 @@ int __init mpc8xx_pic_init(void)
if (mpc8xx_pic_host == NULL) {
printk(KERN_ERR "MPC8xx PIC: failed to allocate irq host!\n");
ret = -ENOMEM;
+ goto out;
}
ret = 0;