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authorFrederic Weisbecker2009-10-18 01:09:09 +0200
committerFrederic Weisbecker2009-10-18 01:12:33 +0200
commit0f8f86c7bdd1c954fbe153af437a0d91a6c5721a (patch)
tree94a8d419a470a4f9852ca397bb9bbe48db92ff5c /drivers/char/serial167.c
parentMerge branch 'linus' into tracing/hw-breakpoints (diff)
parentperf tools: Move dereference after NULL test (diff)
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Merge commit 'perf/core' into perf/hw-breakpoint
Conflicts: kernel/Makefile kernel/trace/Makefile kernel/trace/trace.h samples/Makefile Merge reason: We need to be uptodate with the perf events development branch because we plan to rewrite the breakpoints API on top of perf events.
Diffstat (limited to 'drivers/char/serial167.c')
-rw-r--r--drivers/char/serial167.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/char/serial167.c b/drivers/char/serial167.c
index 5942a9d674c0..452370af95de 100644
--- a/drivers/char/serial167.c
+++ b/drivers/char/serial167.c
@@ -220,8 +220,7 @@ static inline int serial_paranoia_check(struct cyclades_port *info, char *name,
return 1;
}
- if ((long)info < (long)(&cy_port[0])
- || (long)(&cy_port[NR_PORTS]) < (long)info) {
+ if (info < &cy_port[0] || info >= &cy_port[NR_PORTS]) {
printk("Warning: cyclades_port out of range for (%s) in %s\n",
name, routine);
return 1;
@@ -520,15 +519,13 @@ static irqreturn_t cd2401_tx_interrupt(int irq, void *dev_id)
panic("TxInt on debug port!!!");
}
#endif
-
- info = &cy_port[channel];
-
/* validate the port number (as configured and open) */
if ((channel < 0) || (NR_PORTS <= channel)) {
base_addr[CyIER] &= ~(CyTxMpty | CyTxRdy);
base_addr[CyTEOIR] = CyNOTRANS;
return IRQ_HANDLED;
}
+ info = &cy_port[channel];
info->last_active = jiffies;
if (info->tty == 0) {
base_addr[CyIER] &= ~(CyTxMpty | CyTxRdy);