diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/arm/mach-omap2/mux.c | 22 |
1 files changed, 6 insertions, 16 deletions
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c index f62f7537d899..ac8a249779f2 100644 --- a/arch/arm/mach-omap2/mux.c +++ b/arch/arm/mach-omap2/mux.c @@ -681,29 +681,19 @@ static ssize_t omap_mux_dbg_signal_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { - char buf[OMAP_MUX_MAX_ARG_CHAR]; struct seq_file *seqf; struct omap_mux *m; - unsigned long val; - int buf_size, ret; + u16 val; + int ret; struct omap_mux_partition *partition; if (count > OMAP_MUX_MAX_ARG_CHAR) return -EINVAL; - memset(buf, 0, sizeof(buf)); - buf_size = min(count, sizeof(buf) - 1); - - if (copy_from_user(buf, user_buf, buf_size)) - return -EFAULT; - - ret = strict_strtoul(buf, 0x10, &val); + ret = kstrtou16_from_user(user_buf, count, 0x10, &val); if (ret < 0) return ret; - if (val > 0xffff) - return -EINVAL; - seqf = file->private_data; m = seqf->private; @@ -711,7 +701,7 @@ static ssize_t omap_mux_dbg_signal_write(struct file *file, if (!partition) return -ENODEV; - omap_mux_write(partition, (u16)val, m->reg_offset); + omap_mux_write(partition, val, m->reg_offset); *ppos += count; return count; @@ -917,14 +907,14 @@ static void __init omap_mux_set_cmdline_signals(void) while ((token = strsep(&next_opt, ",")) != NULL) { char *keyval, *name; - unsigned long val; + u16 val; keyval = token; name = strsep(&keyval, "="); if (name) { int res; - res = strict_strtoul(keyval, 0x10, &val); + res = kstrtou16(keyval, 0x10, &val); if (res < 0) continue; |