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authorEric W. Biederman <ebiederm@xmission.com>2012-02-11 20:23:51 +0100
committerEric W. Biederman <ebiederm@xmission.com>2012-09-21 12:13:20 +0200
commite4849737f76c8767e70dc1575f6e59fc3682b3fe (patch)
treebe063ec6b7090febc567f37cafd4133b7c2b292b
parentuserns: Convert ipathfs to use GLOBAL_ROOT_UID and GLOBAL_ROOT_GID (diff)
downloadlinux-e4849737f76c8767e70dc1575f6e59fc3682b3fe.tar.xz
linux-e4849737f76c8767e70dc1575f6e59fc3682b3fe.zip
userns: Convert loop to use kuid_t instead of uid_t
Cc: Jens Axboe <jaxboe@fusionio.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
-rw-r--r--drivers/block/loop.c4
-rw-r--r--include/linux/loop.h2
-rw-r--r--init/Kconfig1
3 files changed, 3 insertions, 4 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 3bba65510d23..e9d594fd12cb 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1038,10 +1038,10 @@ loop_set_status(struct loop_device *lo, const struct loop_info64 *info)
{
int err;
struct loop_func_table *xfer;
- uid_t uid = current_uid();
+ kuid_t uid = current_uid();
if (lo->lo_encrypt_key_size &&
- lo->lo_key_owner != uid &&
+ !uid_eq(lo->lo_key_owner, uid) &&
!capable(CAP_SYS_ADMIN))
return -EPERM;
if (lo->lo_state != Lo_bound)
diff --git a/include/linux/loop.h b/include/linux/loop.h
index 11a41a8f08eb..9635116dd830 100644
--- a/include/linux/loop.h
+++ b/include/linux/loop.h
@@ -44,7 +44,7 @@ struct loop_device {
int lo_encrypt_key_size;
struct loop_func_table *lo_encryption;
__u32 lo_init[2];
- uid_t lo_key_owner; /* Who set the key */
+ kuid_t lo_key_owner; /* Who set the key */
int (*ioctl)(struct loop_device *, int cmd,
unsigned long arg);
diff --git a/init/Kconfig b/init/Kconfig
index f0371a65ac06..f31599739f7f 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -960,7 +960,6 @@ config UIDGID_CONVERTED
depends on !UML || HOSTFS = n
# The rare drivers that won't build
- depends on BLK_DEV_LOOP = n
depends on ANDROID_BINDER_IPC = n
# Security modules