summaryrefslogtreecommitdiffstats
path: root/drivers/net/netconsole.c
diff options
context:
space:
mode:
authorAlexey Dobriyan <adobriyan@gmail.com>2011-05-07 20:33:13 +0000
committerDavid S. Miller <davem@davemloft.net>2011-05-09 12:10:48 -0700
commit99f823f98fb981b55c663a3783c3d2293958ece4 (patch)
treee7c17a9193efab3834c9497a90a623e729f1edf6 /drivers/net/netconsole.c
parent0693e88e6ccf615d9674548d8b924cdd9a1c976c (diff)
netconsole: switch to kstrto*() functions
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/netconsole.c')
-rw-r--r--drivers/net/netconsole.c62
1 files changed, 14 insertions, 48 deletions
diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c
index eb41e44921e..62fdbaa1fb6 100644
--- a/drivers/net/netconsole.c
+++ b/drivers/net/netconsole.c
@@ -242,34 +242,6 @@ static struct netconsole_target *to_target(struct config_item *item)
}
/*
- * Wrapper over simple_strtol (base 10) with sanity and range checking.
- * We return (signed) long only because we may want to return errors.
- * Do not use this to convert numbers that are allowed to be negative.
- */
-static long strtol10_check_range(const char *cp, long min, long max)
-{
- long ret;
- char *p = (char *) cp;
-
- WARN_ON(min < 0);
- WARN_ON(max < min);
-
- ret = simple_strtol(p, &p, 10);
-
- if (*p && (*p != '\n')) {
- printk(KERN_ERR "netconsole: invalid input\n");
- return -EINVAL;
- }
- if ((ret < min) || (ret > max)) {
- printk(KERN_ERR "netconsole: input %ld must be between "
- "%ld and %ld\n", ret, min, max);
- return -EINVAL;
- }
-
- return ret;
-}
-
-/*
* Attribute operations for netconsole_target.
*/
@@ -327,12 +299,14 @@ static ssize_t store_enabled(struct netconsole_target *nt,
const char *buf,
size_t count)
{
+ int enabled;
int err;
- long enabled;
- enabled = strtol10_check_range(buf, 0, 1);
- if (enabled < 0)
- return enabled;
+ err = kstrtoint(buf, 10, &enabled);
+ if (err < 0)
+ return err;
+ if (enabled < 0 || enabled > 1)
+ return -EINVAL;
if (enabled) { /* 1 */
@@ -384,8 +358,7 @@ static ssize_t store_local_port(struct netconsole_target *nt,
const char *buf,
size_t count)
{
- long local_port;
-#define __U16_MAX ((__u16) ~0U)
+ int rv;
if (nt->enabled) {
printk(KERN_ERR "netconsole: target (%s) is enabled, "
@@ -394,12 +367,9 @@ static ssize_t store_local_port(struct netconsole_target *nt,
return -EINVAL;
}
- local_port = strtol10_check_range(buf, 0, __U16_MAX);
- if (local_port < 0)
- return local_port;
-
- nt->np.local_port = local_port;
-
+ rv = kstrtou16(buf, 10, &nt->np.local_port);
+ if (rv < 0)
+ return rv;
return strnlen(buf, count);
}
@@ -407,8 +377,7 @@ static ssize_t store_remote_port(struct netconsole_target *nt,
const char *buf,
size_t count)
{
- long remote_port;
-#define __U16_MAX ((__u16) ~0U)
+ int rv;
if (nt->enabled) {
printk(KERN_ERR "netconsole: target (%s) is enabled, "
@@ -417,12 +386,9 @@ static ssize_t store_remote_port(struct netconsole_target *nt,
return -EINVAL;
}
- remote_port = strtol10_check_range(buf, 0, __U16_MAX);
- if (remote_port < 0)
- return remote_port;
-
- nt->np.remote_port = remote_port;
-
+ rv = kstrtou16(buf, 10, &nt->np.remote_port);
+ if (rv < 0)
+ return rv;
return strnlen(buf, count);
}