Re: [PATCH_v2 1/4] android/pan: Register Network Access Point

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Hi Johan,

On 01/07/2014 01:55 PM, Johan Hedberg wrote:
Hi Ravi,

On Tue, Jan 07, 2014, Ravi kumar Veeramally wrote:
+static int set_forward_delay(void)
+{
+	FILE *f;
+	char *path;
+
+	path = g_strdup_printf("/sys/class/net/%s/bridge/forward_delay",
+								BNEP_BRIDGE);
+	if (!path)
+		return -ENOMEM;
+
+	f = fopen(path, "r+");
+	g_free(path);
+	if (!f)
+		return -errno;
The above is not safe since g_free() might modify the value of errno.

In general, we're not really in the habit of using the f* variants of
file access functions. Could you convert the above to use a stack
variable for path (there's a PATH_MAX variable you can use for its
size) together with sprintf and use open + write instead of fopen +
fprintf?
  Ok, I will change it.
+static int nap_create_bridge(void)
+{
+	int sk, err;
+
+	DBG(" %s", BNEP_BRIDGE);
Why the extra space before %s?
 I will remove it.

+	if (ioctl(sk, SIOCBRADDBR, BNEP_BRIDGE) == -1) {
We usually check for this kind of errors with < 0 instead of == -1.
  Ok.

+	DBG(" %s", BNEP_BRIDGE);
Same thing here with the seemingly unnecessary space.
  Ok, I will remove it.

 Regards,
 Ravi.
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