[PATCH v1] drivers:base:Fix unsigned compared with less than zero

[Wang Ming <machel@vivo.com>]

The return value of the of_count_cache_leaves() is long.
However, the return value is being assigned to an unsigned
long variable 'leaves',so making 'leaves' to long.

silence the warning:
./drivers/base/cacheinfo.c:300:5-11: WARNING: Unsigned expression
compared with zero: leaves > 0

Signed-off-by: Wang Ming <machel@vivo.com>
---
 drivers/base/cacheinfo.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c
index cbae8be1f..7280d5cb3 100644
--- a/drivers/base/cacheinfo.c
+++ b/drivers/base/cacheinfo.c
@@ -289,7 +289,8 @@ int init_of_cache_level(unsigned int cpu)
        struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
        struct device_node *np = of_cpu_device_node_get(cpu);
        struct device_node *prev = NULL;
-       unsigned int levels = 0, leaves, level;
+       unsigned int levels = 0, level;
+       int leaves;

        if (!of_check_cache_nodes(np)) {
                of_node_put(np);
--
2.25.1


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