From: Mark Charlebois <charlebm@xxxxxxxxx>
cmd in COMPATIBLE_IOCTL is always a u32, so cast it so there isn't a warning
about an overflow in XFORM.
Signed-off-by: Mark Charlebois <charlebm@xxxxxxxxx>
Signed-off-by: Behan Webster <behanw@xxxxxxxxxxxxxxxxxx>
---
fs/compat_ioctl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index afec645..f6ce1aa 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -810,7 +810,7 @@ static int compat_ioctl_preallocate(struct file *file,
*/
#define XFORM(i) (((i) ^ ((i) << 27) ^ ((i) << 17)) & 0xffffffff)
-#define COMPATIBLE_IOCTL(cmd) XFORM(cmd),
+#define COMPATIBLE_IOCTL(cmd) XFORM((u32)cmd),
/* ioctl should not be warned about even if it's not implemented.
Valid reasons to use this:
- It is implemented with ->compat_ioctl on some device, but programs
--
1.9.1
--
To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
