Messages in this thread Patch in this message | | | From | behanw@converse ... | Subject | [PATCH] fs, LLVMLinux: Remove warning from COMPATIBLE_IOCTL | Date | Fri, 5 Sep 2014 16:36:39 -0700 |
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From: Mark Charlebois <charlebm@gmail.com>
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@gmail.com> Signed-off-by: Behan Webster <behanw@converseincode.com> --- 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
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