[Xen-devel] [PATCH] xen: remove unnecessary condition check before kfree

[zhong jiang <zhongjiang@xxxxxxxxxx>]

kfree has taken null pointer into account. So just remove the
condition check before kfree.

Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx>
---
 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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