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-rw-r--r--drivers/block/loop.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 5c4ee70..fb06ed6 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -936,8 +936,10 @@ loop_set_status(struct loop_device *lo, const struct loop_info64 *info)
{
int err;
struct loop_func_table *xfer;
+ uid_t uid = current_uid();
- if (lo->lo_encrypt_key_size && lo->lo_key_owner != current->uid &&
+ if (lo->lo_encrypt_key_size &&
+ lo->lo_key_owner != uid &&
!capable(CAP_SYS_ADMIN))
return -EPERM;
if (lo->lo_state != Lo_bound)
@@ -992,7 +994,7 @@ loop_set_status(struct loop_device *lo, const struct loop_info64 *info)
if (info->lo_encrypt_key_size) {
memcpy(lo->lo_encrypt_key, info->lo_encrypt_key,
info->lo_encrypt_key_size);
- lo->lo_key_owner = current->uid;
+ lo->lo_key_owner = uid;
}
return 0;
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