drivers: isdn: remove custom strtoul() (3944ad68) · Commits · 戴 / test

drivers/isdn/hysdn/hysdn_proclog.c

+6 −28

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@
		#include <linux/sched.h>
		#include <linux/slab.h>
		#include <linux/mutex.h>
		#include <linux/kernel.h>

		#include "hysdn_defs.h"

		@@ -155,9 +156,8 @@ static ssize_t
		hysdn_log_write(struct file file, const char __user buf, size_t count, loff_t * off)
		{
		unsigned long u = 0;
		int found = 0;
		unsigned char *cp, valbuf[128];
		long base = 10;
		int rc;
		unsigned char valbuf[128];
		hysdn_card *card = file->private_data;

		if (count > (sizeof(valbuf) - 1))
		@@ -166,32 +166,10 @@ hysdn_log_write(struct file file, const char __user buf, size_t count, loff_t
		return (-EFAULT); /* copy failed */

		valbuf[count] = 0; /* terminating 0 */
		cp = valbuf;
		if ((count > 2) && (valbuf[0] == '0') && (valbuf[1] == 'x')) {
		cp += 2; /* pointer after hex modifier */
		base = 16;
		}
		/* scan the input for debug flags */
		while (*cp) {
		if ((cp >= '0') && (cp <= '9')) {
		found = 1;
		u = base; / adjust to next digit */
		u += *cp++ - '0';
		continue;
		}
		if (base != 16)
		break; /* end of number */

		if ((cp >= 'a') && (cp <= 'f')) {
		found = 1;
		u = base; / adjust to next digit */
		u += *cp++ - 'a' + 10;
		continue;
		}
		break; /* terminated */
		}

		if (found) {
		rc = strict_strtoul(valbuf, 0, &u);

		if (rc == 0) {
		card->debug_flags = u; /* remember debug flags */
		hysdn_addlog(card, "debug set to 0x%lx", card->debug_flags);
		}