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-rw-r--r--drivers/md/dm-crypt.c4
-rw-r--r--drivers/md/dm-delay.c16
-rw-r--r--drivers/md/dm-flakey.c6
-rw-r--r--drivers/md/dm-linear.c7
-rw-r--r--drivers/md/dm-log-writes.c11
-rw-r--r--drivers/md/dm-raid1.c8
-rw-r--r--drivers/md/dm-stripe.c8
7 files changed, 41 insertions, 19 deletions
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 0f48fed44a17..9a75d462b3fb 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -1811,11 +1811,13 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv)
}
cc->iv_offset = tmpll;
- if (dm_get_device(ti, argv[3], dm_table_get_mode(ti->table), &cc->dev)) {
+ ret = dm_get_device(ti, argv[3], dm_table_get_mode(ti->table), &cc->dev);
+ if (ret) {
ti->error = "Device lookup failed";
goto bad;
}
+ ret = -EINVAL;
if (sscanf(argv[4], "%llu%c", &tmpll, &dummy) != 1) {
ti->error = "Invalid device sector";
goto bad;
diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c
index 57b6a1901c91..b34f6e27293d 100644
--- a/drivers/md/dm-delay.c
+++ b/drivers/md/dm-delay.c
@@ -129,6 +129,7 @@ static int delay_ctr(struct dm_target *ti, unsigned int argc, char **argv)
struct delay_c *dc;
unsigned long long tmpll;
char dummy;
+ int ret;
if (argc != 3 && argc != 6) {
ti->error = "requires exactly 3 or 6 arguments";
@@ -143,6 +144,7 @@ static int delay_ctr(struct dm_target *ti, unsigned int argc, char **argv)
dc->reads = dc->writes = 0;
+ ret = -EINVAL;
if (sscanf(argv[1], "%llu%c", &tmpll, &dummy) != 1) {
ti->error = "Invalid device sector";
goto bad;
@@ -154,12 +156,14 @@ static int delay_ctr(struct dm_target *ti, unsigned int argc, char **argv)
goto bad;
}
- if (dm_get_device(ti, argv[0], dm_table_get_mode(ti->table),
- &dc->dev_read)) {
+ ret = dm_get_device(ti, argv[0], dm_table_get_mode(ti->table),
+ &dc->dev_read);
+ if (ret) {
ti->error = "Device lookup failed";
goto bad;
}
+ ret = -EINVAL;
dc->dev_write = NULL;
if (argc == 3)
goto out;
@@ -175,13 +179,15 @@ static int delay_ctr(struct dm_target *ti, unsigned int argc, char **argv)
goto bad_dev_read;
}
- if (dm_get_device(ti, argv[3], dm_table_get_mode(ti->table),
- &dc->dev_write)) {
+ ret = dm_get_device(ti, argv[3], dm_table_get_mode(ti->table),
+ &dc->dev_write);
+ if (ret) {
ti->error = "Write device lookup failed";
goto bad_dev_read;
}
out:
+ ret = -EINVAL;
dc->kdelayd_wq = alloc_workqueue("kdelayd", WQ_MEM_RECLAIM, 0);
if (!dc->kdelayd_wq) {
DMERR("Couldn't start kdelayd");
@@ -208,7 +214,7 @@ bad_dev_read:
dm_put_device(ti, dc->dev_read);
bad:
kfree(dc);
- return -EINVAL;
+ return ret;
}
static void delay_dtr(struct dm_target *ti)
diff --git a/drivers/md/dm-flakey.c b/drivers/md/dm-flakey.c
index b257e46876d3..ffb994527bcf 100644
--- a/drivers/md/dm-flakey.c
+++ b/drivers/md/dm-flakey.c
@@ -183,6 +183,7 @@ static int flakey_ctr(struct dm_target *ti, unsigned int argc, char **argv)
devname = dm_shift_arg(&as);
+ r = -EINVAL;
if (sscanf(dm_shift_arg(&as), "%llu%c", &tmpll, &dummy) != 1) {
ti->error = "Invalid device sector";
goto bad;
@@ -211,7 +212,8 @@ static int flakey_ctr(struct dm_target *ti, unsigned int argc, char **argv)
if (r)
goto bad;
- if (dm_get_device(ti, devname, dm_table_get_mode(ti->table), &fc->dev)) {
+ r = dm_get_device(ti, devname, dm_table_get_mode(ti->table), &fc->dev);
+ if (r) {
ti->error = "Device lookup failed";
goto bad;
}
@@ -224,7 +226,7 @@ static int flakey_ctr(struct dm_target *ti, unsigned int argc, char **argv)
bad:
kfree(fc);
- return -EINVAL;
+ return r;
}
static void flakey_dtr(struct dm_target *ti)
diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c
index 53e848c10939..62c26e4ad6ac 100644
--- a/drivers/md/dm-linear.c
+++ b/drivers/md/dm-linear.c
@@ -30,6 +30,7 @@ static int linear_ctr(struct dm_target *ti, unsigned int argc, char **argv)
struct linear_c *lc;
unsigned long long tmp;
char dummy;
+ int ret;
if (argc != 2) {
ti->error = "Invalid argument count";
@@ -42,13 +43,15 @@ static int linear_ctr(struct dm_target *ti, unsigned int argc, char **argv)
return -ENOMEM;
}
+ ret = -EINVAL;
if (sscanf(argv[1], "%llu%c", &tmp, &dummy) != 1) {
ti->error = "dm-linear: Invalid device sector";
goto bad;
}
lc->start = tmp;
- if (dm_get_device(ti, argv[0], dm_table_get_mode(ti->table), &lc->dev)) {
+ ret = dm_get_device(ti, argv[0], dm_table_get_mode(ti->table), &lc->dev);
+ if (ret) {
ti->error = "dm-linear: Device lookup failed";
goto bad;
}
@@ -61,7 +64,7 @@ static int linear_ctr(struct dm_target *ti, unsigned int argc, char **argv)
bad:
kfree(lc);
- return -EINVAL;
+ return ret;
}
static void linear_dtr(struct dm_target *ti)
diff --git a/drivers/md/dm-log-writes.c b/drivers/md/dm-log-writes.c
index ad1b049ae2ab..51d29b67eb01 100644
--- a/drivers/md/dm-log-writes.c
+++ b/drivers/md/dm-log-writes.c
@@ -420,6 +420,7 @@ static int log_writes_ctr(struct dm_target *ti, unsigned int argc, char **argv)
struct log_writes_c *lc;
struct dm_arg_set as;
const char *devname, *logdevname;
+ int ret;
as.argc = argc;
as.argv = argv;
@@ -443,18 +444,22 @@ static int log_writes_ctr(struct dm_target *ti, unsigned int argc, char **argv)
atomic_set(&lc->pending_blocks, 0);
devname = dm_shift_arg(&as);
- if (dm_get_device(ti, devname, dm_table_get_mode(ti->table), &lc->dev)) {
+ ret = dm_get_device(ti, devname, dm_table_get_mode(ti->table), &lc->dev);
+ if (ret) {
ti->error = "Device lookup failed";
goto bad;
}
logdevname = dm_shift_arg(&as);
- if (dm_get_device(ti, logdevname, dm_table_get_mode(ti->table), &lc->logdev)) {
+ ret = dm_get_device(ti, logdevname, dm_table_get_mode(ti->table),
+ &lc->logdev);
+ if (ret) {
ti->error = "Log device lookup failed";
dm_put_device(ti, lc->dev);
goto bad;
}
+ ret = -EINVAL;
lc->log_kthread = kthread_run(log_writes_kthread, lc, "log-write");
if (!lc->log_kthread) {
ti->error = "Couldn't alloc kthread";
@@ -479,7 +484,7 @@ static int log_writes_ctr(struct dm_target *ti, unsigned int argc, char **argv)
bad:
kfree(lc);
- return -EINVAL;
+ return ret;
}
static int log_mark(struct log_writes_c *lc, char *data)
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index d83696bf403b..933a1fd99b77 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -943,16 +943,18 @@ static int get_mirror(struct mirror_set *ms, struct dm_target *ti,
{
unsigned long long offset;
char dummy;
+ int ret;
if (sscanf(argv[1], "%llu%c", &offset, &dummy) != 1) {
ti->error = "Invalid offset";
return -EINVAL;
}
- if (dm_get_device(ti, argv[0], dm_table_get_mode(ti->table),
- &ms->mirror[mirror].dev)) {
+ ret = dm_get_device(ti, argv[0], dm_table_get_mode(ti->table),
+ &ms->mirror[mirror].dev);
+ if (ret) {
ti->error = "Device lookup failure";
- return -ENXIO;
+ return ret;
}
ms->mirror[mirror].ms = ms;
diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c
index a672a1502c14..9a814a5eb89f 100644
--- a/drivers/md/dm-stripe.c
+++ b/drivers/md/dm-stripe.c
@@ -75,13 +75,15 @@ static int get_stripe(struct dm_target *ti, struct stripe_c *sc,
{
unsigned long long start;
char dummy;
+ int ret;
if (sscanf(argv[1], "%llu%c", &start, &dummy) != 1)
return -EINVAL;
- if (dm_get_device(ti, argv[0], dm_table_get_mode(ti->table),
- &sc->stripe[stripe].dev))
- return -ENXIO;
+ ret = dm_get_device(ti, argv[0], dm_table_get_mode(ti->table),
+ &sc->stripe[stripe].dev);
+ if (ret)
+ return ret;
sc->stripe[stripe].physical_start = start;
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