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authorHarvey Harrison <harvey.harrison@gmail.com>2008-04-30 00:53:51 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-30 08:29:44 -0700
commit709107fcd3c4ad82ff7c8137c27aa951d671706f (patch)
tree8d6fa7483f4c6acccac8d5f6e2330610bdf62cdf /drivers/char/rocket.c
parentd3ceb6562bfbe8f27fa32d1e24eea0e2d4de0347 (diff)
downloadlinux-709107fcd3c4ad82ff7c8137c27aa951d671706f.tar.bz2
char: rocket.c: fix sparse variable shadowing and int as NULL pointer
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> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/rocket.c')
-rw-r--r--drivers/char/rocket.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c
index 1b3fc6fd358e..32fe8dca24b6 100644
--- a/drivers/char/rocket.c
+++ b/drivers/char/rocket.c
@@ -449,7 +449,8 @@ 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);
@@ -1758,10 +1759,10 @@ static int rp_write(struct tty_struct *tty,
/* Write remaining data into the port's xmit_buf */
while (1) {
- if (!info->tty) /* Seemingly obligatory check... */
+ if (!info->tty) /* 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;