diff options
| author | Joe Perches <joe@perches.com> | 2014-10-26 22:25:05 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-11-05 20:06:33 -0800 |
| commit | 7e041abf79c1b555b9d117d4a319b505ee601f55 (patch) | |
| tree | 5e412b550dc16ddaff8cfcf881ca4936988f84e5 | |
| parent | f0fd1b73b0f3589ff90582fbbb5eedc149caefab (diff) | |
tty: ipwireless: Fix probable mask then right shift defects
Precedence of & and >> is not the same and is not left to right.
shift has higher precedence and should be done after the mask.
Add parentheses around the masks.
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: David Sterba <dsterba@suse.cz>
Reviewed-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/tty/ipwireless/hardware.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/tty/ipwireless/hardware.c b/drivers/tty/ipwireless/hardware.c index 2c14842541d..5c77e1eac4e 100644 --- a/drivers/tty/ipwireless/hardware.c +++ b/drivers/tty/ipwireless/hardware.c @@ -378,9 +378,9 @@ static void swap_packet_bitfield_to_le(unsigned char *data) /* * transform bits from aa.bbb.ccc to ccc.bbb.aa */ - ret |= tmp & 0xc0 >> 6; - ret |= tmp & 0x38 >> 1; - ret |= tmp & 0x07 << 5; + ret |= (tmp & 0xc0) >> 6; + ret |= (tmp & 0x38) >> 1; + ret |= (tmp & 0x07) << 5; *data = ret & 0xff; #endif } @@ -393,9 +393,9 @@ static void swap_packet_bitfield_from_le(unsigned char *data) /* * transform bits from ccc.bbb.aa to aa.bbb.ccc */ - ret |= tmp & 0xe0 >> 5; - ret |= tmp & 0x1c << 1; - ret |= tmp & 0x03 << 6; + ret |= (tmp & 0xe0) >> 5; + ret |= (tmp & 0x1c) << 1; + ret |= (tmp & 0x03) << 6; *data = ret & 0xff; #endif } |