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path: root/kernel/debug/kdb/kdb_main.c
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Diffstat (limited to 'kernel/debug/kdb/kdb_main.c')
-rw-r--r--kernel/debug/kdb/kdb_main.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index 420418360b81..4121345498e0 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -50,8 +50,7 @@
static int kdb_cmd_enabled = CONFIG_KDB_DEFAULT_ENABLE;
module_param_named(cmd_enable, kdb_cmd_enabled, int, 0600);
-#define GREP_LEN 256
-char kdb_grep_string[GREP_LEN];
+char kdb_grep_string[KDB_GREP_STRLEN];
int kdb_grepping_flag;
EXPORT_SYMBOL(kdb_grepping_flag);
int kdb_grep_leading;
@@ -870,7 +869,7 @@ static void parse_grep(const char *str)
len = strlen(cp);
if (!len)
return;
- if (len >= GREP_LEN) {
+ if (len >= KDB_GREP_STRLEN) {
kdb_printf("search string too long\n");
return;
}
@@ -1280,6 +1279,8 @@ static int kdb_local(kdb_reason_t reason, int error, struct pt_regs *regs,
kdb_nextline = 1;
KDB_STATE_CLEAR(SUPPRESS);
kdb_grepping_flag = 0;
+ /* ensure the old search does not leak into '/' commands */
+ kdb_grep_string[0] = '\0';
cmdbuf = cmd_cur;
*cmdbuf = '\0';