kernel/sysctl.c: Remove trailing white space

This patch removes the trailing white space in kernel/sysysctl.c
Signed-off-by: Fanjun Kong <bh1scw@gmail.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
[mcgrof: fix commit message subject]
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>

kernel/sysctl.c

@@ -492,12 +492,12 @@ static int __do_proc_dointvec(void *tbl_data, struct ctl_table *table,
 	int *i, vleft, first = 1, err = 0;
 	size_t left;
 	char *p;
-	
+
 	if (!tbl_data || !table->maxlen || !*lenp || (*ppos && !write)) {
 		*lenp = 0;
 		return 0;
 	}
-	
+
 	i = (int *) tbl_data;
 	vleft = table->maxlen / sizeof(*i);
 	left = *lenp;
@@ -729,7 +729,7 @@ int proc_dobool(struct ctl_table *table, int write, void *buffer,
  * @ppos: file position
  *
  * Reads/writes up to table->maxlen/sizeof(unsigned int) integer
- * values from/to the user buffer, treated as an ASCII string. 
+ * values from/to the user buffer, treated as an ASCII string.
  *
  * Returns 0 on success.
  */
@@ -1273,7 +1273,7 @@ static int do_proc_dointvec_ms_jiffies_minmax_conv(bool *negp, unsigned long *lv
  * @ppos: file position
  *
  * Reads/writes up to table->maxlen/sizeof(unsigned int) integer
- * values from/to the user buffer, treated as an ASCII string. 
+ * values from/to the user buffer, treated as an ASCII string.
  * The values read are assumed to be in seconds, and are converted into
  * jiffies.
  *
@@ -1306,8 +1306,8 @@ int proc_dointvec_ms_jiffies_minmax(struct ctl_table *table, int write,
  * @ppos: pointer to the file position
  *
  * Reads/writes up to table->maxlen/sizeof(unsigned int) integer
- * values from/to the user buffer, treated as an ASCII string. 
- * The values read are assumed to be in 1/USER_HZ seconds, and 
+ * values from/to the user buffer, treated as an ASCII string.
+ * The values read are assumed to be in 1/USER_HZ seconds, and
  * are converted into jiffies.
  *
  * Returns 0 on success.