[PATCH] ioprio: Allow CAP_SYS_NICE to set IOPRIO_CLASS_RT

From: Kusanagi Kouichi
Date: Thu Jan 31 2013 - 06:26:20 EST


sched_setscheduler allows a process with CAP_SYS_NICE to set
real-time policy. Let ioprio_set follow this.

Signed-off-by: Kusanagi Kouichi <slash@xxxxxxxxxxxxxxx>
---
fs/ioprio.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ioprio.c b/fs/ioprio.c
index e50170c..155b51e 100644
--- a/fs/ioprio.c
+++ b/fs/ioprio.c
@@ -70,7 +70,7 @@ SYSCALL_DEFINE3(ioprio_set, int, which, int, who, int, ioprio)

switch (class) {
case IOPRIO_CLASS_RT:
- if (!capable(CAP_SYS_ADMIN))
+ if (!capable(CAP_SYS_NICE) && !capable(CAP_SYS_ADMIN))
return -EPERM;
/* fall through, rt has prio field too */
case IOPRIO_CLASS_BE:
--
1.7.10.4

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