[PATCH v6 6/7] prctl: exe link permission error changed from -EINVAL to -EPERM

[Adrian Reber]

From: Nicolas Viennot <Nicolas.Viennot at twosigma.com>

This brings consistency with the rest of the prctl() syscall where
-EPERM is returned when failing a capability check.

Signed-off-by: Nicolas Viennot <Nicolas.Viennot at twosigma.com>
Signed-off-by: Adrian Reber <areber at redhat.com>
---
 kernel/sys.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sys.c b/kernel/sys.c
index a3f4ef0bbda3..ca11af9d815d 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -2015,7 +2015,7 @@ static int prctl_set_mm_map(int opt, const void __user *addr, unsigned long data
 		 * This may have implications in the tomoyo subsystem.
 		 */
 		if (!checkpoint_restore_ns_capable(current_user_ns()))
-			return -EINVAL;
+			return -EPERM;
 
 		error = prctl_set_mm_exe_file(mm, prctl_map.exe_fd);
 		if (error)
-- 
2.26.2