staging: hp100: Use match_string() helper to simplify the code

match_string() returns the array index of a matching string.
Use it instead of the open-coded implementation.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20191107143223.44696-1-yuehaibing@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/hp/hp100.c b/drivers/staging/hp/hp100.c
index 6ec78f5c602f6c44cc40285480db17fc058dafc1..e2f0b58e5dfd710c6dc9898e363a7acd0abadfd1 100644 (file)
--- a/drivers/staging/hp/hp100.c
+++ b/drivers/staging/hp/hp100.c
@@ -339,14 +339,11 @@ static __init int hp100_isa_probe1(struct net_device *dev, int ioaddr)
        if (sig == NULL)
                goto err;
 
-       for (i = 0; i < ARRAY_SIZE(hp100_isa_tbl); i++) {
-               if (!strcmp(hp100_isa_tbl[i], sig))
-                       break;
-
-       }
+       i = match_string(hp100_isa_tbl, ARRAY_SIZE(hp100_isa_tbl), sig);
+       if (i < 0)
+               goto err;
 
-       if (i < ARRAY_SIZE(hp100_isa_tbl))
-               return hp100_probe1(dev, ioaddr, HP100_BUS_ISA, NULL);
+       return hp100_probe1(dev, ioaddr, HP100_BUS_ISA, NULL);
  err:
        return -ENODEV;