X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fzone.c;h=b8cc9197c2de5eea70990a1e4209b7f284a8d292;hb=2d4ef8aa6e7c9e2139b2bd2e22d790948980d62b;hp=52dd977becb1104b6638c47afa415aed7aa76801;hpb=44a0bdd298888209040ee12a0470d9d7e8fabd70;p=collectd.git

diff --git a/src/zone.c b/src/zone.c
index 52dd977b..b8cc9197 100644
--- a/src/zone.c
+++ b/src/zone.c
@@ -17,6 +17,7 @@
  *
  * Authors:
  *   Mathijs Mohlmann
+ *   Dagobert Michelsen (forward-porting)
  **/
 
 #define _BSD_SOURCE
@@ -64,11 +65,9 @@ zone_read_procfile(char *pidstr, char *file, void *buf, size_t bufsize)
 	int fd;
 
 	char procfile[MAX_PROCFS_PATH];
-	(void)snprintf(procfile, MAX_PROCFS_PATH, "/proc/%s/%s", pidstr, file);
-	while ((fd = open(procfile, O_RDONLY)) == -1) {
-		if ((errno != EMFILE) || (errno != ENFILE)) {
-			return(1);
-		}
+	(void)snprintf(procfile, sizeof(procfile), "/proc/%s/%s", pidstr, file);
+	if ((fd = open(procfile, O_RDONLY)) == -1) {
+		return (1);
 	}
 
 	if (pread(fd, buf, bufsize, 0) != bufsize) {
@@ -188,6 +187,9 @@ static int zone_read (void)
 
 	tree=zone_scandir(procdir);
 	closedir(procdir);
+	if (tree == NULL) {
+		return (-1);
+	}
 	zone_submit_values(tree); /* this also frees tree */
 	return (0);
 }