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kdb: Const qualifier for kdb_getstr's prompt argument

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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>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
This commit is contained in:
Daniel Thompson 2014-09-11 10:41:12 +01:00 committed by Jason Wessel
parent fb6daa7520
commit 32d375f6f2
2 changed files with 2 additions and 2 deletions
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2
kernel/debug/kdb/kdb_io.c
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@ -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);

2
kernel/debug/kdb/kdb_private.h
View File

@ -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 */