compat32: ignore the LOOP_CLR_FD ioctl
compat32: Ignore the LOOP_CLR_FD ioctl for the loop block device, to kill an
annoying kernel message when e.g. busybox umount is used.
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index 6b44cdc..e440a7b 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -63,6 +63,7 @@
#include <linux/wireless.h>
#include <linux/atalk.h>
#include <linux/blktrace_api.h>
+#include <linux/loop.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci.h>
@@ -3489,6 +3490,9 @@
IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32)
IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32)
+
+/* loop */
+IGNORE_IOCTL(LOOP_CLR_FD)
};
#define IOCTL_HASHSIZE 256