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btrace(8): resolve Coverity warnings

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This commit is contained in:
David van Moolenbroek 2012-07-27 14:44:12 +00:00
parent 66dbf73049
commit 85edabcb42
1 changed files with 3 additions and 3 deletions
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6
commands/btrace/btrace.c
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@ -9,6 +9,8 @@
#include <minix/u64.h>
#include <sys/ioc_block.h>
static btrace_entry buf[BTBUF_SIZE];
static void usage(char *name)
{
printf("usage:\n"
@ -42,7 +44,7 @@ static void btrace_start(char *device, int nr_entries)
perror("ioctl(BIOCTRACECTL)");
size = 0;
ioctl(devfd, BIOCTRACEBUF, &size);
(void) ioctl(devfd, BIOCTRACEBUF, &size);
exit(EXIT_FAILURE);
}
@ -52,7 +54,6 @@ static void btrace_start(char *device, int nr_entries)
static void btrace_stop(char *device, char *file)
{
btrace_entry buf[BTBUF_SIZE];
int r, ctl, devfd, outfd;
size_t size;
@ -163,7 +164,6 @@ static void dump_entry(btrace_entry *entry)
static void btrace_dump(char *file)
{
btrace_entry buf[BTBUF_SIZE];
int i, r, infd;
if ((infd = open(file, O_RDONLY)) < 0) {