[PATCH] correct detection of hotplug.d/ udevsend loop

If udevsend is called from the commandline the env may be too
big to fit in our buffer and we tag the message.

diff --git a/udevsend.c b/udevsend.c
index 05a50facc51600cb5eeb04eed1e3702f279686c4..d86004ba3b9faf735dbc824d38adef22b8a2018c 100644 (file)
--- a/udevsend.c
+++ b/udevsend.c
@@ -148,10 +148,6 @@ int main(int argc, char *argv[], char *envp[])
 
                key = envp[i];
                keylen = strlen(key);
-               if (bufpos + keylen >= HOTPLUG_BUFFER_SIZE-1) {
-                       dbg("environment buffer too small, probably not called by the kernel");
-                       continue;
-               }
 
                /* prevent loops in the scripts we execute */
                if (strncmp(key, "UDEVD_EVENT=", 12) == 0) {
@@ -159,6 +155,11 @@ int main(int argc, char *argv[], char *envp[])
                        goto exit;
                }
 
+               if (bufpos + keylen >= HOTPLUG_BUFFER_SIZE-1) {
+                       dbg("environment buffer too small, probably not called by the kernel");
+                       continue;
+               }
+
                /* remember the SUBSYSTEM */
                if (strncmp(key, "SUBSYSTEM=", 10) == 0)
                        subsystem = &key[10];