Messages in this thread Patch in this message | | | Subject | [PATCH] char: fix sparse variable shadowing and int as NULL pointer in rocket.c | From | Harvey Harrison <> | Date | Fri, 22 Feb 2008 09:46:59 -0800 |
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Nested min() macros shadow _x, separate into two lines. drivers/char/rocket.c:451:7: warning: symbol '_x' shadows an earlier one drivers/char/rocket.c:451:7: originally declared here drivers/char/rocket.c:451:7: warning: symbol '_x' shadows an earlier one drivers/char/rocket.c:451:7: originally declared here drivers/char/rocket.c:451:7: warning: symbol '_y' shadows an earlier one drivers/char/rocket.c:451:7: originally declared here drivers/char/rocket.c:1754:7: warning: symbol '_x' shadows an earlier one drivers/char/rocket.c:1754:7: originally declared here drivers/char/rocket.c:1754:7: warning: symbol '_x' shadows an earlier one drivers/char/rocket.c:1754:7: originally declared here drivers/char/rocket.c:1754:7: warning: symbol '_y' shadows an earlier one drivers/char/rocket.c:1754:7: originally declared here drivers/char/rocket.c:1751:20: warning: Using plain integer as NULL pointer
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> --- drivers/char/rocket.c | 9 +++++---- 1 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c index 72f2892..2778d64 100644 --- a/drivers/char/rocket.c +++ b/drivers/char/rocket.c @@ -448,7 +448,8 @@ static void rp_do_transmit(struct r_port *info) while (1) { if (tty->stopped || tty->hw_stopped) break; - c = min(info->xmit_fifo_room, min(info->xmit_cnt, XMIT_BUF_SIZE - info->xmit_tail)); + c = min(info->xmit_fifo_room, info->xmit_cnt); + c = min(c, XMIT_BUF_SIZE - info->xmit_tail); if (c <= 0 || info->xmit_fifo_room <= 0) break; sOutStrW(sGetTxRxDataIO(cp), (unsigned short *) (info->xmit_buf + info->xmit_tail), c / 2); @@ -1748,10 +1749,10 @@ static int rp_write(struct tty_struct *tty, /* Write remaining data into the port's xmit_buf */ while (1) { - if (info->tty == 0) /* Seemingly obligatory check... */ + if (info->tty == NULL) /* Seemingly obligatory check... */ goto end; - - c = min(count, min(XMIT_BUF_SIZE - info->xmit_cnt - 1, XMIT_BUF_SIZE - info->xmit_head)); + c = min(count, XMIT_BUF_SIZE - info->xmit_cnt - 1); + c = min(c, XMIT_BUF_SIZE - info->xmit_head); if (c <= 0) break; -- 1.5.4.2.200.g99e75
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