Commit 7f76c403 authored by Scott Wiersdorf's avatar Scott Wiersdorf Committed by Linus Torvalds

getdelays.c: fix overrun

A patch for getdelays.c that fixes a buffer overrun when you set -w.

Cc: <matt@bluehost.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent d1ab824b
......@@ -61,8 +61,6 @@ __u64 stime, utime;
#define MAX_MSG_SIZE 1024
/* Maximum number of cpus expected to be specified in a cpumask */
#define MAX_CPUS 32
/* Maximum length of pathname to log file */
#define MAX_FILENAME 256
struct msgtemplate {
struct nlmsghdr n;
......@@ -231,7 +229,7 @@ int main(int argc, char *argv[])
int count = 0;
int write_file = 0;
int maskset = 0;
char logfile[128];
char *logfile = NULL;
int loop = 0;
struct msgtemplate msg;
......@@ -251,7 +249,7 @@ int main(int argc, char *argv[])
print_io_accounting = 1;
break;
case 'w':
strncpy(logfile, optarg, MAX_FILENAME);
logfile = strdup(optarg);
printf("write to file %s\n", logfile);
write_file = 1;
break;
......
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