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author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-11-24 01:42:09 +0400 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-11-24 01:42:09 +0400 |
commit | 12cbfd0a3c52a52c2948c91b9e62e73c468d1572 (patch) | |
tree | 9252b3929159a83fc81ca0a48706bfa959660967 /drivers/md/dm-ioctl.c | |
parent | b32e724308300a6ecead0f4895f0452a06a4291d (diff) | |
parent | cfcfc9eca2bcbd26a8e206baeb005b055dbf8e37 (diff) | |
download | linux-12cbfd0a3c52a52c2948c91b9e62e73c468d1572.tar.xz |
Merge tag 'v3.2-rc2' into staging/for_v3.3
* tag 'v3.2-rc2': (3068 commits)
Linux 3.2-rc2
hfs: add sanity check for file name length
fsl-rio: fix compile error
blackfin: Fixup export.h includes
Blackfin: add serial TX IRQ in individual platform resource
virtio-pci: fix use after free
ACPI / cpuidle: Remove acpi_idle_suspend (to fix suspend regression)
drm/radeon/kms/combios: fix dynamic allocation of PM clock modes
[CPUFREQ] db8500: fix build error due to undeclared i variable
bma023: Add SFI translation for this device
vrtc: change its year offset from 1960 to 1972
ce4100: fix a build error
arm/imx: fix imx6q mmc error when mounting rootfs
arm/imx: fix AUTO_ZRELADDR selection
arm/imx: fix the references to ARCH_MX3
ARM: mx51/53: set pwm clock parent to ipg_perclk
btrfs: rename the option to nospace_cache
drm/radeon/kms/pm: switch to dynamically allocating clock mode array
drm/radeon/kms: optimize r600_pm_profile_init
drm/radeon/kms/pm: add a proper pm profile init function for fusion
...
Conflicts:
drivers/media/radio/Kconfig
Diffstat (limited to 'drivers/md/dm-ioctl.c')
-rw-r--r-- | drivers/md/dm-ioctl.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index 2e9a3ca37bdd..31c2dc25886d 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -1215,6 +1215,7 @@ static int table_load(struct dm_ioctl *param, size_t param_size) struct hash_cell *hc; struct dm_table *t; struct mapped_device *md; + struct target_type *immutable_target_type; md = find_device(param); if (!md) @@ -1230,6 +1231,16 @@ static int table_load(struct dm_ioctl *param, size_t param_size) goto out; } + immutable_target_type = dm_get_immutable_target_type(md); + if (immutable_target_type && + (immutable_target_type != dm_table_get_immutable_target_type(t))) { + DMWARN("can't replace immutable target type %s", + immutable_target_type->name); + dm_table_destroy(t); + r = -EINVAL; + goto out; + } + /* Protect md->type and md->queue against concurrent table loads. */ dm_lock_md_type(md); if (dm_get_md_type(md) == DM_TYPE_NONE) |