Messages in this thread Patch in this message | | | From | Lin Yujun <> | Subject | [PATCH -next] powerpc: Avoid platform device Leak in the event of platform_device_add() fails | Date | Wed, 14 Sep 2022 11:26:59 +0800 |
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Use platform_device_put() to free the platform device and return directly in the event platform_device_add() fails.
Fixes: a28d3af2a26c ("[PATCH] 2/5 powerpc: Rework PowerMac i2c part 2") Signed-off-by: Lin Yujun <linyujun809@huawei.com> --- arch/powerpc/platforms/powermac/low_i2c.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c index c1c430c66dc9..5171635c3450 100644 --- a/arch/powerpc/platforms/powermac/low_i2c.c +++ b/arch/powerpc/platforms/powermac/low_i2c.c @@ -1487,6 +1487,7 @@ static int __init pmac_i2c_create_platform_devices(void) { struct pmac_i2c_bus *bus; int i = 0; + int ret; /* In the case where we are initialized from smp_init(), we must * not use the timer (and thus the irq). It's safe from now on @@ -1502,7 +1503,11 @@ static int __init pmac_i2c_create_platform_devices(void) return -ENOMEM; bus->platform_dev->dev.platform_data = bus; bus->platform_dev->dev.of_node = bus->busnode; - platform_device_add(bus->platform_dev); + ret = platform_device_add(bus->platform_dev); + if (ret) { + platform_device_put(bus->platform_dev); + return ret; + } } /* Now call platform "init" functions */ -- 2.17.1
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