提交 202af6d5 编写于 作者: P Paul Fulghum 提交者: Linus Torvalds

[PATCH] synclink_gt: fix receive tty error handling

Fix receive tty error handling in synclink_gt driver.  Adrian reported
compiler warning for incorrect bit test against char variable.  I
determined these and other device specific error bits were incorrectly
defined.
Signed-off-by: NPaul Fulghum <paulkf@microgate.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 ddac7c7e
......@@ -391,8 +391,8 @@ static MGSL_PARAMS default_params = {
#define DESC_LIST_SIZE 4096
#define MASK_PARITY BIT1
#define MASK_FRAMING BIT2
#define MASK_BREAK BIT3
#define MASK_FRAMING BIT0
#define MASK_BREAK BIT14
#define MASK_OVERRUN BIT4
#define GSR 0x00 /* global status */
......@@ -1800,17 +1800,17 @@ static void rx_async(struct slgt_info *info)
stat = 0;
if ((status = *(p+1) & (BIT9 + BIT8))) {
if (status & BIT9)
if ((status = *(p+1) & (BIT1 + BIT0))) {
if (status & BIT1)
icount->parity++;
else if (status & BIT8)
else if (status & BIT0)
icount->frame++;
/* discard char if tty control flags say so */
if (status & info->ignore_status_mask)
continue;
if (status & BIT9)
if (status & BIT1)
stat = TTY_PARITY;
else if (status & BIT8)
else if (status & BIT0)
stat = TTY_FRAME;
}
if (tty) {
......
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