platform/mellanox: mlxbf-pmc: fix signedness bugs

These need to be signed for the error handling to work.  The
mlxbf_pmc_get_event_num() function returns int so int type is correct.

Fixes: 1ae9ffd303c2 ("platform/mellanox: mlxbf-pmc: Cleanup signed/unsigned mix-up")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/a4af764e-990b-4ebd-b342-852844374032@moroto.mountain
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

diff --git a/drivers/platform/mellanox/mlxbf-pmc.c b/drivers/platform/mellanox/mlxbf-pmc.c
index 746567767e5b3f91e923d3eb9fbf114dfc681865..4ed9c7fd2b62af05213180429eb4845d73c80dad 100644 (file)
--- a/drivers/platform/mellanox/mlxbf-pmc.c
+++ b/drivers/platform/mellanox/mlxbf-pmc.c
@@ -1505,8 +1505,9 @@ static ssize_t mlxbf_pmc_counter_show(struct device *dev,
 {
        struct mlxbf_pmc_attribute *attr_counter = container_of(
                attr, struct mlxbf_pmc_attribute, dev_attr);
-       unsigned int blk_num, cnt_num, offset;
+       unsigned int blk_num, cnt_num;
        bool is_l3 = false;
+       int offset;
        u64 value;
 
        blk_num = attr_counter->nr;
@@ -1539,9 +1540,10 @@ static ssize_t mlxbf_pmc_counter_store(struct device *dev,
 {
        struct mlxbf_pmc_attribute *attr_counter = container_of(
                attr, struct mlxbf_pmc_attribute, dev_attr);
-       unsigned int blk_num, cnt_num, offset, data;
+       unsigned int blk_num, cnt_num, data;
        bool is_l3 = false;
        u64 evt_num;
+       int offset;
        int err;
 
        blk_num = attr_counter->nr;
@@ -1621,8 +1623,9 @@ static ssize_t mlxbf_pmc_event_store(struct device *dev,
 {
        struct mlxbf_pmc_attribute *attr_event = container_of(
                attr, struct mlxbf_pmc_attribute, dev_attr);
-       unsigned int blk_num, cnt_num, evt_num;
+       unsigned int blk_num, cnt_num;
        bool is_l3 = false;
+       int evt_num;
        int err;
 
        blk_num = attr_event->nr;