Comparisons such as if (x == NULL) rewritten as if (!x)

Signed-off-by: Tolga Ceylan <tolga.cey...@gmail.com>
---
 drivers/staging/gdm724x/gdm_lte.c |  6 +++---
 drivers/staging/gdm724x/gdm_mux.c |  4 ++--
 drivers/staging/gdm724x/gdm_tty.c |  2 +-
 drivers/staging/gdm724x/gdm_usb.c | 14 +++++++-------
 4 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/drivers/staging/gdm724x/gdm_lte.c 
b/drivers/staging/gdm724x/gdm_lte.c
index 2c3931b..7a86184 100644
--- a/drivers/staging/gdm724x/gdm_lte.c
+++ b/drivers/staging/gdm724x/gdm_lte.c
@@ -775,7 +775,7 @@ static int gdm_lte_receive_pkt(struct phy_dev *phy_dev, 
char *buf, int len)
                                   hci->cmd_evt);
 
        dev = phy_dev->dev[0];
-       if (dev == NULL)
+       if (!dev)
                return 0;
 
        switch (cmd_evt) {
@@ -889,7 +889,7 @@ int register_lte_device(struct phy_dev *phy_dev,
                /* Allocate netdev */
                net = alloc_netdev(sizeof(struct nic), pdn_dev_name,
                                   NET_NAME_UNKNOWN, ether_setup);
-               if (net == NULL) {
+               if (!net) {
                        pr_err("alloc_netdev failed\n");
                        ret = -ENOMEM;
                        goto err;
@@ -938,7 +938,7 @@ void unregister_lte_device(struct phy_dev *phy_dev)
 
        for (index = 0; index < MAX_NIC_TYPE; index++) {
                net = phy_dev->dev[index];
-               if (net == NULL)
+               if (!net)
                        continue;
 
                unregister_netdev(net);
diff --git a/drivers/staging/gdm724x/gdm_mux.c 
b/drivers/staging/gdm724x/gdm_mux.c
index 9b5e6b8..b025a49 100644
--- a/drivers/staging/gdm724x/gdm_mux.c
+++ b/drivers/staging/gdm724x/gdm_mux.c
@@ -495,7 +495,7 @@ static int init_usb(struct mux_dev *mux_dev)
 
        for (i = 0; i < MAX_ISSUE_NUM * 2; i++) {
                r = alloc_mux_rx();
-               if (r == NULL) {
+               if (!r) {
                        ret = -ENOMEM;
                        break;
                }
@@ -665,7 +665,7 @@ static int __init gdm_usb_mux_init(void)
 {
 
        mux_rx_wq = create_workqueue("mux_rx_wq");
-       if (mux_rx_wq == NULL) {
+       if (!mux_rx_wq) {
                pr_err("work queue create fail\n");
                return -1;
        }
diff --git a/drivers/staging/gdm724x/gdm_tty.c 
b/drivers/staging/gdm724x/gdm_tty.c
index f8c18a9..b593525 100644
--- a/drivers/staging/gdm724x/gdm_tty.c
+++ b/drivers/staging/gdm724x/gdm_tty.c
@@ -88,7 +88,7 @@ static int gdm_tty_install(struct tty_driver *driver, struct 
tty_struct *tty)
 
        mutex_lock(&gdm_table_lock);
        gdm = gdm_table[i][j];
-       if (gdm == NULL) {
+       if (!gdm) {
                mutex_unlock(&gdm_table_lock);
                return -ENODEV;
        }
diff --git a/drivers/staging/gdm724x/gdm_usb.c 
b/drivers/staging/gdm724x/gdm_usb.c
index 786c177..36fe1b4 100644
--- a/drivers/staging/gdm724x/gdm_usb.c
+++ b/drivers/staging/gdm724x/gdm_usb.c
@@ -338,7 +338,7 @@ static int init_usb(struct lte_udev *udev)
 
        for (i = 0; i < MAX_NUM_SDU_BUF; i++) {
                t_sdu = alloc_tx_sdu_struct();
-               if (t_sdu == NULL) {
+               if (!t_sdu) {
                        ret = -ENOMEM;
                        goto fail;
                }
@@ -349,7 +349,7 @@ static int init_usb(struct lte_udev *udev)
 
        for (i = 0; i < MAX_RX_SUBMIT_COUNT * 2; i++) {
                r = alloc_rx_struct();
-               if (r == NULL) {
+               if (!r) {
                        ret = -ENOMEM;
                        goto fail;
                }
@@ -681,7 +681,7 @@ static void do_tx(struct work_struct *work)
                }
 
                t = alloc_tx_struct(TX_BUF_SIZE);
-               if (t == NULL) {
+               if (!t) {
                        spin_unlock_irqrestore(&tx->lock, flags);
                        return;
                }
@@ -731,7 +731,7 @@ static int gdm_usb_sdu_send(void *priv_dev, void *data, int 
len,
        t_sdu = get_tx_sdu_struct(tx, &no_spc);
        spin_unlock_irqrestore(&tx->lock, flags);
 
-       if (t_sdu == NULL) {
+       if (!t_sdu) {
                pr_err("sdu send - free list empty\n");
                return TX_NO_SPC;
        }
@@ -781,7 +781,7 @@ static int gdm_usb_hci_send(void *priv_dev, void *data, int 
len,
        }
 
        t = alloc_tx_struct(len);
-       if (t == NULL) {
+       if (!t) {
                pr_err("hci_send - out of memory\n");
                return -ENOMEM;
        }
@@ -1005,11 +1005,11 @@ static int __init gdm_usb_lte_init(void)
        }
 
        usb_tx_wq = create_workqueue("usb_tx_wq");
-       if (usb_tx_wq == NULL)
+       if (!usb_tx_wq)
                return -1;
 
        usb_rx_wq = create_workqueue("usb_rx_wq");
-       if (usb_rx_wq == NULL)
+       if (!usb_rx_wq)
                return -1;
 
        return usb_register(&gdm_usb_lte_driver);
-- 
2.3.0

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