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

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If udevsend is called from the commandline the env may be too
big to fit in our buffer and we tag the message.
This commit is contained in:
kay.sievers@vrfy.org 2005-01-05 05:31:42 +01:00 committed by Greg KH
parent 3908058c10
commit d3c3763530
1 changed files with 5 additions and 4 deletions
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9
udevsend.c
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@ -148,10 +148,6 @@ int main(int argc, char *argv[], char *envp[])
key = envp[i]; key = envp[i];
keylen = strlen(key); 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 */ /* prevent loops in the scripts we execute */
if (strncmp(key, "UDEVD_EVENT=", 12) == 0) { if (strncmp(key, "UDEVD_EVENT=", 12) == 0) {
@ -159,6 +155,11 @@ int main(int argc, char *argv[], char *envp[])
goto exit; goto exit;
} }
if (bufpos + keylen >= HOTPLUG_BUFFER_SIZE-1) {
dbg("environment buffer too small, probably not called by the kernel");
continue;
}
/* remember the SUBSYSTEM */ /* remember the SUBSYSTEM */
if (strncmp(key, "SUBSYSTEM=", 10) == 0) if (strncmp(key, "SUBSYSTEM=", 10) == 0)
subsystem = &key[10]; subsystem = &key[10];