[dm-devel] [PATCH] dm:simple_strtoul() cleanup.
majianpeng
majianpeng at gmail.com
Wed May 30 08:23:29 UTC 2012
Change them to use kstrtoul/kstrtou8/kstrtouint instead of obsolete simple_strtoul().
Signed-off-by: majianpeng <majianpeng at gmail.com>
---
drivers/md/dm-crypt.c | 5 +----
drivers/md/dm-exception-store.c | 6 ++----
drivers/md/dm-stripe.c | 7 ++-----
3 files changed, 5 insertions(+), 13 deletions(-)
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 3f06df5..e2b3240 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -1241,7 +1241,6 @@ static void kcryptd_queue_crypt(struct dm_crypt_io *io)
static int crypt_decode_key(u8 *key, char *hex, unsigned int size)
{
char buffer[3];
- char *endp;
unsigned int i;
buffer[2] = '\0';
@@ -1250,9 +1249,7 @@ static int crypt_decode_key(u8 *key, char *hex, unsigned int size)
buffer[0] = *hex++;
buffer[1] = *hex++;
- key[i] = (u8)simple_strtoul(buffer, &endp, 16);
-
- if (endp != &buffer[2])
+ if (kstrtou8(buffer, 16, &key[i]))
return -EINVAL;
}
diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c
index aa70f7d..cf583bc 100644
--- a/drivers/md/dm-exception-store.c
+++ b/drivers/md/dm-exception-store.c
@@ -143,11 +143,9 @@ static int set_chunk_size(struct dm_exception_store *store,
const char *chunk_size_arg, char **error)
{
unsigned long chunk_size_ulong;
- char *value;
- chunk_size_ulong = simple_strtoul(chunk_size_arg, &value, 10);
- if (*chunk_size_arg == '\0' || *value != '\0' ||
- chunk_size_ulong > UINT_MAX) {
+ if (kstrtoul(chunk_size_arg, 10, &chunk_size_ulong) ||
+ chunk_size_ulong > UINT_MAX) {
*error = "Invalid chunk size";
return -EINVAL;
}
diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c
index 35c94ff..183db5d 100644
--- a/drivers/md/dm-stripe.c
+++ b/drivers/md/dm-stripe.c
@@ -99,7 +99,6 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv)
sector_t width;
uint32_t stripes;
uint32_t chunk_size;
- char *end;
int r;
unsigned int i;
@@ -108,14 +107,12 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv)
return -EINVAL;
}
- stripes = simple_strtoul(argv[0], &end, 10);
- if (!stripes || *end) {
+ if (kstrtouint(argv[0], 10, &stripes) || !stripes) {
ti->error = "Invalid stripe count";
return -EINVAL;
}
- chunk_size = simple_strtoul(argv[1], &end, 10);
- if (*end) {
+ if (kstrtouint(argv[1], 10, &chunk_size)) {
ti->error = "Invalid chunk_size";
return -EINVAL;
}
--
1.7.5.4
--------------
majianpeng
2012-05-30
More information about the dm-devel
mailing list