[PATCH 3/4] staging: gdm72xx: use int instead of u32 whenever makes sense

[Ben Chan]

This patch addresses the following issues:
- Use int instead of u32 whenever makes sense
- Turn extract_qos_list() in gdm_qos.c, which previously always returned
  0, into a void function.

Reported-by: Dan Carpenter <dan.carpen...@oracle.com>
Reported-by: Michalis Pappas <mpap...@fastmail.fm>
Signed-off-by: Ben Chan <benc...@chromium.org>
---
 drivers/staging/gdm72xx/gdm_qos.c | 15 +++++++--------
 drivers/staging/gdm72xx/gdm_qos.h |  6 +++---
 2 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/drivers/staging/gdm72xx/gdm_qos.c 
b/drivers/staging/gdm72xx/gdm_qos.c
index 732f009..a2efc5c 100644
--- a/drivers/staging/gdm72xx/gdm_qos.c
+++ b/drivers/staging/gdm72xx/gdm_qos.c
@@ -142,7 +142,7 @@ void gdm_qos_release_list(void *nic_ptr)
        free_qos_entry_list(&free_list);
 }
 
-static u32 chk_ipv4_rule(struct gdm_wimax_csr_s *csr, u8 *stream, u8 *port)
+static int chk_ipv4_rule(struct gdm_wimax_csr_s *csr, u8 *stream, u8 *port)
 {
        int i;
 
@@ -188,9 +188,9 @@ static u32 chk_ipv4_rule(struct gdm_wimax_csr_s *csr, u8 
*stream, u8 *port)
        return 0;
 }
 
-static u32 get_qos_index(struct nic *nic, u8 *iph, u8 *tcpudph)
+static int get_qos_index(struct nic *nic, u8 *iph, u8 *tcpudph)
 {
-       u32 IP_ver, i;
+       int IP_ver, i;
        struct qos_cb_s *qcb = &nic->qos;
 
        if (iph == NULL || tcpudph == NULL)
@@ -213,7 +213,7 @@ static u32 get_qos_index(struct nic *nic, u8 *iph, u8 
*tcpudph)
        return -1;
 }
 
-static u32 extract_qos_list(struct nic *nic, struct list_head *head)
+static void extract_qos_list(struct nic *nic, struct list_head *head)
 {
        struct qos_cb_s *qcb = &nic->qos;
        struct qos_entry_s *entry;
@@ -238,8 +238,6 @@ static u32 extract_qos_list(struct nic *nic, struct 
list_head *head)
                if (!list_empty(&qcb->qos_list[i]))
                        netdev_warn(nic->netdev, "Index(%d) is piled!!\n", i);
        }
-
-       return 0;
 }
 
 static void send_qos_list(struct nic *nic, struct list_head *head)
@@ -305,7 +303,7 @@ out:
        return ret;
 }
 
-static u32 get_csr(struct qos_cb_s *qcb, u32 SFID, int mode)
+static int get_csr(struct qos_cb_s *qcb, u32 SFID, int mode)
 {
        int i;
 
@@ -333,7 +331,8 @@ static u32 get_csr(struct qos_cb_s *qcb, u32 SFID, int mode)
 void gdm_recv_qos_hci_packet(void *nic_ptr, u8 *buf, int size)
 {
        struct nic *nic = nic_ptr;
-       u32 i, SFID, index, pos;
+       int i, index, pos;
+       u32 SFID;
        u8 sub_cmd_evt;
        struct qos_cb_s *qcb = &nic->qos;
        struct qos_entry_s *entry, *n;
diff --git a/drivers/staging/gdm72xx/gdm_qos.h 
b/drivers/staging/gdm72xx/gdm_qos.h
index 50aa191..ab03d33 100644
--- a/drivers/staging/gdm72xx/gdm_qos.h
+++ b/drivers/staging/gdm72xx/gdm_qos.h
@@ -59,11 +59,11 @@ struct qos_entry_s {
 
 struct qos_cb_s {
        struct list_head        qos_list[QOS_MAX];
-       u32                     qos_list_cnt;
-       u32                     qos_null_idx;
+       int                     qos_list_cnt;
+       int                     qos_null_idx;
        struct gdm_wimax_csr_s  csr[QOS_MAX];
        spinlock_t              qos_lock;
-       u32                     qos_limit_size;
+       int                     qos_limit_size;
 };
 
 void gdm_qos_init(void *nic_ptr);
-- 
2.0.0.526.g5318336

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