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authorJim Cromie <jim.cromie@gmail.com>2011-12-19 23:12:29 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2012-01-24 21:46:45 +0100
commitbc757f6f5bf4e9251bbc1a3419c94ffe9fd3e2ee (patch)
tree593f673d80d7cf6981b346dc5d5ac2e6ba5d5c9a /lib
parentdynamic_debug: change verbosity at runtime (diff)
downloadlinux-bc757f6f5bf4e9251bbc1a3419c94ffe9fd3e2ee.tar.xz
linux-bc757f6f5bf4e9251bbc1a3419c94ffe9fd3e2ee.zip
dynamic_debug: replace strcpy with strlcpy, in ddebug_setup_query()
Replace strcpy with strlcpy, and add define for the size constant. [jbaron@redhat.com: Use DDEBUG_STRING_SIZE for overflow check] Signed-off-by: Jim Cromie <jim.cromie@gmail.com> Signed-off-by: Jason Baron <jbaron@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'lib')
-rw-r--r--lib/dynamic_debug.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index 8c88b892ebb8..6fc8622f0a83 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -525,14 +525,16 @@ EXPORT_SYMBOL(__dynamic_netdev_dbg);
#endif
-static __initdata char ddebug_setup_string[1024];
+#define DDEBUG_STRING_SIZE 1024
+static __initdata char ddebug_setup_string[DDEBUG_STRING_SIZE];
+
static __init int ddebug_setup_query(char *str)
{
- if (strlen(str) >= 1024) {
+ if (strlen(str) >= DDEBUG_STRING_SIZE) {
pr_warn("ddebug boot param string too large\n");
return 0;
}
- strcpy(ddebug_setup_string, str);
+ strlcpy(ddebug_setup_string, str, DDEBUG_STRING_SIZE);
return 1;
}