staging: most: usb: use function sysfs_streq

This patch replaces function strcmp() with sysfs_streq() to compare
strings provided via sysfs.

Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/1590570387-27069-11-git-send-email-christian.gromm@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/most/usb/usb.c b/drivers/staging/most/usb/usb.c
index 1c4bdb8f4cd78f1f85231f8360bd38f6ac03a0a8..df5876c8ac45604925a4db126c4744afab0e6566 100644 (file)
--- a/drivers/staging/most/usb/usb.c
+++ b/drivers/staging/most/usb/usb.c
@@ -808,7 +808,7 @@ static int get_stat_reg_addr(const struct regs *regs, int size,
        int i;
 
        for (i = 0; i < size; i++) {
-               if (!strcmp(name, regs[i].name)) {
+               if (sysfs_streq(name, regs[i].name)) {
                        *reg_addr = regs[i].reg;
                        return 0;
                }
@@ -828,10 +828,10 @@ static ssize_t value_show(struct device *dev, struct device_attribute *attr,
        u16 reg_addr;
        int err;
 
-       if (!strcmp(name, "arb_address"))
+       if (sysfs_streq(name, "arb_address"))
                return snprintf(buf, PAGE_SIZE, "%04x\n", dci_obj->reg_addr);
 
-       if (!strcmp(name, "arb_value"))
+       if (sysfs_streq(name, "arb_value"))
                reg_addr = dci_obj->reg_addr;
        else if (get_static_reg_addr(ro_regs, name, &reg_addr) &&
                 get_static_reg_addr(rw_regs, name, &reg_addr))
@@ -858,14 +858,14 @@ static ssize_t value_store(struct device *dev, struct device_attribute *attr,
        if (err)
                return err;
 
-       if (!strcmp(name, "arb_address")) {
+       if (sysfs_streq(name, "arb_address")) {
                dci_obj->reg_addr = val;
                return count;
        }
 
-       if (!strcmp(name, "arb_value"))
+       if (sysfs_streq(name, "arb_value"))
                err = drci_wr_reg(usb_dev, dci_obj->reg_addr, val);
-       else if (!strcmp(name, "sync_ep"))
+       else if (sysfs_streq(name, "sync_ep"))
                err = start_sync_ep(usb_dev, val);
        else if (!get_static_reg_addr(rw_regs, name, &reg_addr))
                err = drci_wr_reg(usb_dev, reg_addr, val);