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-rw-r--r--iptables.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/iptables.c b/iptables.c
index 91e6a9e6..12fe316d 100644
--- a/iptables.c
+++ b/iptables.c
@@ -1593,15 +1593,17 @@ static char *get_modprobe(void)
int procfile;
char *ret;
+#define PROCFILE_BUFSIZ 1024
procfile = open(PROC_SYS_MODPROBE, O_RDONLY);
if (procfile < 0)
return NULL;
- ret = malloc(1024);
+ ret = (char *) malloc(PROCFILE_BUFSIZ);
if (ret) {
- switch (read(procfile, ret, 1024)) {
+ memset(ret, 0, PROCFILE_BUFSIZ);
+ switch (read(procfile, ret, PROCFILE_BUFSIZ)) {
case -1: goto fail;
- case 1024: goto fail; /* Partial read. Wierd */
+ case PROCFILE_BUFSIZ: goto fail; /* Partial read. Wierd */
}
if (ret[strlen(ret)-1]=='\n')
ret[strlen(ret)-1]=0;