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Subject[PATCH] xen: remove unnecessary condition check before kfree
Date
kfree has taken null pointer into account. So just remove the
condition check before kfree.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
---
drivers/xen/xen-acpi-processor.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/xen/xen-acpi-processor.c b/drivers/xen/xen-acpi-processor.c
index fbb9137..7e1d49e 100644
--- a/drivers/xen/xen-acpi-processor.c
+++ b/drivers/xen/xen-acpi-processor.c
@@ -268,7 +268,7 @@ static int push_pxx_to_hypervisor(struct acpi_processor *_pr)
pr_warn("(_PXX): Hypervisor error (%d) for ACPI CPU%u\n",
ret, _pr->acpi_id);
err_free:
- if (!IS_ERR_OR_NULL(dst_states))
+ if (!IS_ERR(dst_states))
kfree(dst_states);

return ret;
--
1.7.12.4
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