[PATCH v1 08/10] ipmi_si: Use strstrip() to remove surrounding spaces

[Andy Shevchenko]

Instead of home grown analogue, use strstrip() from the kernel library.

Signed-off-by: Andy Shevchenko <andriy.shevche...@linux.intel.com>
---
 drivers/char/ipmi/ipmi_si_hotmod.c | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/drivers/char/ipmi/ipmi_si_hotmod.c 
b/drivers/char/ipmi/ipmi_si_hotmod.c
index 4fbb4e18bae2..087f5eb1ebc0 100644
--- a/drivers/char/ipmi/ipmi_si_hotmod.c
+++ b/drivers/char/ipmi/ipmi_si_hotmod.c
@@ -185,24 +185,16 @@ static atomic_t hotmod_nr;
 
 static int hotmod_handler(const char *val, const struct kernel_param *kp)
 {
-       char *str = kstrdup(val, GFP_KERNEL), *curr, *next;
        int  rv;
        struct ipmi_plat_data h;
-       unsigned int len;
-       int ival;
+       char *str, *curr, *next;
 
+       str = kstrdup(val, GFP_KERNEL);
        if (!str)
                return -ENOMEM;
 
        /* Kill any trailing spaces, as we can get a "\n" from echo. */
-       len = strlen(str);
-       ival = len - 1;
-       while ((ival >= 0) && isspace(str[ival])) {
-               str[ival] = '\0';
-               ival--;
-       }
-
-       for (curr = str; curr; curr = next) {
+       for (curr = strstrip(str); curr; curr = next) {
                enum hotmod_op op;
 
                next = strchr(curr, ':');
@@ -235,7 +227,7 @@ static int hotmod_handler(const char *val, const struct 
kernel_param *kp)
                                put_device(dev);
                }
        }
-       rv = len;
+       rv = strlen(val);
 out:
        kfree(str);
        return rv;
-- 
2.30.2