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userns: Convert loop to use kuid_t instead of uid_t

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Cc: Jens Axboe <jaxboe@fusionio.com>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman 2012-02-11 11:23:51 -08:00
parent d03ca5820d
commit e4849737f7
3 changed files with 3 additions and 4 deletions
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4
drivers/block/loop.c
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@ -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)

2
include/linux/loop.h
View file

@ -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);

1
init/Kconfig
View file

@ -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