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-rw-r--r--net/bpfilter/main.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/net/bpfilter/main.c b/net/bpfilter/main.c
index 77396a098fbe..efea4874743e 100644
--- a/net/bpfilter/main.c
+++ b/net/bpfilter/main.c
@@ -10,7 +10,7 @@
#include <asm/unistd.h>
#include "msgfmt.h"
-int debug_fd;
+FILE *debug_f;
static int handle_get_cmd(struct mbox_request *cmd)
{
@@ -35,9 +35,10 @@ static void loop(void)
struct mbox_reply reply;
int n;
+ fprintf(debug_f, "testing the buffer\n");
n = read(0, &req, sizeof(req));
if (n != sizeof(req)) {
- dprintf(debug_fd, "invalid request %d\n", n);
+ fprintf(debug_f, "invalid request %d\n", n);
return;
}
@@ -47,7 +48,7 @@ static void loop(void)
n = write(1, &reply, sizeof(reply));
if (n != sizeof(reply)) {
- dprintf(debug_fd, "reply failed %d\n", n);
+ fprintf(debug_f, "reply failed %d\n", n);
return;
}
}
@@ -55,9 +56,10 @@ static void loop(void)
int main(void)
{
- debug_fd = open("/dev/kmsg", 00000002);
- dprintf(debug_fd, "Started bpfilter\n");
+ debug_f = fopen("/dev/kmsg", "w");
+ setvbuf(debug_f, 0, _IOLBF, 0);
+ fprintf(debug_f, "Started bpfilter\n");
loop();
- close(debug_fd);
+ fclose(debug_f);
return 0;
}