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-rw-r--r--package/wireless-tools/patches/004-increase_iwlist_buffer.patch46
1 files changed, 46 insertions, 0 deletions
diff --git a/package/wireless-tools/patches/004-increase_iwlist_buffer.patch b/package/wireless-tools/patches/004-increase_iwlist_buffer.patch
new file mode 100644
index 000000000..f2fdb124e
--- /dev/null
+++ b/package/wireless-tools/patches/004-increase_iwlist_buffer.patch
@@ -0,0 +1,46 @@
+--- a/iwlist.c
++++ b/iwlist.c
+@@ -792,7 +792,8 @@ print_scanning_info(int skfd,
+ if(iw_get_ext(skfd, ifname, SIOCGIWSCAN, &wrq) < 0)
+ {
+ /* Check if buffer was too small (WE-17 only) */
+- if((errno == E2BIG) && (range.we_version_compiled > 16))
++ if((errno == E2BIG) && (range.we_version_compiled > 16)
++ && (buflen < 0xFFFF))
+ {
+ /* Some driver may return very large scan results, either
+ * because there are many cells, or because they have many
+@@ -808,6 +809,10 @@ print_scanning_info(int skfd,
+ else
+ buflen *= 2;
+
++ /* wrq.u.data.length is 16 bits so max size is 65535 */
++ if(buflen > 0xFFFF)
++ buflen = 0xFFFF;
++
+ /* Try again */
+ goto realloc;
+ }
+@@ -2152,6 +2157,7 @@ main(int argc,
+ char **args; /* Command arguments */
+ int count; /* Number of arguments */
+ const iwlist_cmd *iwcmd;
++ int goterr = 0;
+
+ if(argc < 2)
+ iw_usage(1);
+@@ -2199,12 +2205,12 @@ main(int argc,
+
+ /* do the actual work */
+ if (dev)
+- (*iwcmd->fn)(skfd, dev, args, count);
++ goterr = (*iwcmd->fn)(skfd, dev, args, count);
+ else
+ iw_enum_devices(skfd, iwcmd->fn, args, count);
+
+ /* Close the socket. */
+ iw_sockets_close(skfd);
+
+- return 0;
++ return goterr;
+ }