[PATCH] Fix inotify to work not only once

[Matthias Schwarzott <zzam@gentoo.org>]

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Hi there!

The inotify code in udevd.c contains a bug disabling inotify after first 
modification catch.

The patch entitled "handle dynamic rules created in /dev/.udev/rules.d/" 
contains this:
 				buf = malloc(nbytes);
-				if (!buf) {
+				if (buf != NULL) {
 					err("error getting buffer for inotify, disable watching");

But this makes the code disable inotify if malloc is successful. Shouldnt this 
be buf == NULL, or just the original !buf.
The attached patch fixes this.

Matthias

-- 
Matthias Schwarzott (zzam)

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diff --git a/udevd.c b/udevd.c
index 69572c6..8f56de6 100644
--- a/udevd.c
+++ b/udevd.c
@@ -1202,7 +1202,7 @@ int main(int argc, char *argv[], char *envp[])
 
 				reload_config = 1;
 				buf = malloc(nbytes);
-				if (buf != NULL) {
+				if (buf == NULL) {
 					err("error getting buffer for inotify, disable watching");
 					close(inotify_fd);
 					inotify_fd = -1;

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