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authorDaniel Thompson <daniel.thompson@linaro.org>2014-09-11 10:41:12 +0100
committerDaniel Thompson <daniel.thompson@linaro.org>2015-01-27 11:23:17 +0000
commit93ad7f18533365f21e7789549e4fbe97a42df53b (patch)
tree5202f1ce7f3ddd1b58a4cc7b441dbccf946d3eda
parent14fbe9b4a0ace74d406f9dffc56c9aa5290c9682 (diff)
downloadlinux-93ad7f18533365f21e7789549e4fbe97a42df53b.tar.gz
kdb: Const qualifier for kdb_getstr's prompt argument
All current callers of kdb_getstr() can pass constant pointers via the prompt argument. This patch adds a const qualification to make explicit the fact that this is safe. Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
-rw-r--r--kernel/debug/kdb/kdb_io.c2
-rw-r--r--kernel/debug/kdb/kdb_private.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c
index ca13e6215537..fc1ef736253c 100644
--- a/kernel/debug/kdb/kdb_io.c
+++ b/kernel/debug/kdb/kdb_io.c
@@ -439,7 +439,7 @@ poll_again:
* substituted for %d, %x or %o in the prompt.
*/
-char *kdb_getstr(char *buffer, size_t bufsize, char *prompt)
+char *kdb_getstr(char *buffer, size_t bufsize, const char *prompt)
{
if (prompt && kdb_prompt_str != prompt)
strncpy(kdb_prompt_str, prompt, CMD_BUFLEN);
diff --git a/kernel/debug/kdb/kdb_private.h b/kernel/debug/kdb/kdb_private.h
index da93894db7ba..75014d7f4568 100644
--- a/kernel/debug/kdb/kdb_private.h
+++ b/kernel/debug/kdb/kdb_private.h
@@ -211,7 +211,7 @@ extern void kdb_ps1(const struct task_struct *p);
extern void kdb_print_nameval(const char *name, unsigned long val);
extern void kdb_send_sig_info(struct task_struct *p, struct siginfo *info);
extern void kdb_meminfo_proc_show(void);
-extern char *kdb_getstr(char *, size_t, char *);
+extern char *kdb_getstr(char *, size_t, const char *);
extern void kdb_gdb_state_pass(char *buf);
/* Defines for kdb_symbol_print */