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Subject[PATCH] ipc/ipc_sysctl: Add missing include of linux/cred.h

The kernel test robot recently reported[1][2] that in configurations
without CONFIG_COMPAT set the recent changes to ipc_permissions would
result in code that would not compile, as definitions present in
linux/cred.h were missing.

Include linux/cred.h explicitly in ipc/ipc_sysctl.c so that it builds
in all kernel configurations.

[1] https://lkml.kernel.org/r/202209301555.UK7B8MPo-lkp@intel.com
[2] https://lkml.kernel.org/r/202209301537.wYdDBROB-lkp@intel.com
Reported-by: kernel test robot <lkp@intel.com>
Fixes: 54e1011bd95a ("sysctl: Allow change system v ipc sysctls inside ipc namespace")
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
---

I have corrected the build error by adding the following patch
to the topic branch.

ipc/ipc_sysctl.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/ipc/ipc_sysctl.c b/ipc/ipc_sysctl.c
index 31282e0a630d..29c1d3ae2a5c 100644
--- a/ipc/ipc_sysctl.c
+++ b/ipc/ipc_sysctl.c
@@ -14,6 +14,7 @@
#include <linux/ipc_namespace.h>
#include <linux/msg.h>
#include <linux/slab.h>
+#include <linux/cred.h>
#include "util.h"

static int proc_ipc_dointvec_minmax_orphans(struct ctl_table *table, int write,
--
2.35.3
Eric

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