From: Daniel Walter <[email protected]>
Subject: [PATCH v2 01/11] [arch/arm/omap2] replace strict_strto* with kstrto*
Replace obsolete strict_strto call with kstrto calls.
Simplify copy_from_user/strict_strto by using kstrto_from_user
Signed-off-by: Daniel Walter <[email protected]>
---
arch/arm/mach-omap2/board-omap3touchbook.c | 2 +-
arch/arm/mach-omap2/mux.c | 22 ++++++----------------
2 files changed, 7 insertions(+), 17 deletions(-)
diff --git a/arch/arm/mach-omap2/board-omap3touchbook.c b/arch/arm/mach-omap2/board-omap3touchbook.c
index 7da48bc..70b904c 100644
--- a/arch/arm/mach-omap2/board-omap3touchbook.c
+++ b/arch/arm/mach-omap2/board-omap3touchbook.c
@@ -336,7 +336,7 @@ static int __init early_touchbook_revision(char *p)
if (!p)
return 0;
- return strict_strtoul(p, 10, &touchbook_revision);
+ return kstrtoul(p, 10, &touchbook_revision);
}
early_param("tbr", early_touchbook_revision);
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index 48094b5..42f7109 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -679,29 +679,19 @@ 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;
@@ -709,7 +699,7 @@ 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;
@@ -915,14 +905,14 @@ 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;
--
1.9.3