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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-08-20 18:51:29 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-08-20 18:51:29 -0700 |
| commit | f6fdd7d9c273bb2a20ab467cb57067494f932fa3 (patch) | |
| tree | 4835ce2c366c8a5102d35592ddfdf9f22dd245c6 /fs/ioprio.c | |
| parent | 7e71af49d46e4c25f17a2c8f53d62ffd14f01007 (diff) | |
| download | lwn-f6fdd7d9c273bb2a20ab467cb57067494f932fa3.tar.gz lwn-f6fdd7d9c273bb2a20ab467cb57067494f932fa3.zip | |
Don't allow normal users to set idle IO priority
It has all the normal priority inversion problems.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/ioprio.c')
| -rw-r--r-- | fs/ioprio.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ioprio.c b/fs/ioprio.c index 97e1f088ba00..d1c1f2b2c9da 100644 --- a/fs/ioprio.c +++ b/fs/ioprio.c @@ -62,6 +62,8 @@ asmlinkage long sys_ioprio_set(int which, int who, int ioprio) break; case IOPRIO_CLASS_IDLE: + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; break; default: return -EINVAL; |