Commit-ID:  53b90c0c56b502056da83d768047dcf765bac9fb
Gitweb:     http://git.kernel.org/tip/53b90c0c56b502056da83d768047dcf765bac9fb
Author:     Borislav Petkov <b...@suse.de>
AuthorDate: Mon, 19 Oct 2015 11:17:47 +0200
Committer:  Ingo Molnar <mi...@kernel.org>
CommitDate: Wed, 21 Oct 2015 11:10:57 +0200

kexec/crash: Say which char is the unrecognized

It is helpful when the crashkernel cmdline parsing routines
actually say which character is the unrecognized one. Make them
do so.

Signed-off-by: Borislav Petkov <b...@suse.de>
Reviewed-by: Dave Young <dyo...@redhat.com>
Reviewed-by: Joerg Roedel <jroe...@suse.de>
Cc: Andrew Morton <a...@linux-foundation.org>
Cc: Andy Lutomirski <l...@amacapital.net>
Cc: Baoquan He <b...@redhat.com>
Cc: H. Peter Anvin <h...@zytor.com>
Cc: Jiri Kosina <jkos...@suse.cz>
Cc: Juergen Gross <jgr...@suse.com>
Cc: Linus Torvalds <torva...@linux-foundation.org>
Cc: Mark Salter <msal...@redhat.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: Vivek Goyal <vgo...@redhat.com>
Cc: WANG Chao <chaow...@redhat.com>
Cc: jerry_hoem...@hp.com
Link: http://lkml.kernel.org/r/1445246268-26285-8-git-send-email...@alien8.de
Signed-off-by: Ingo Molnar <mi...@kernel.org>
---
 kernel/kexec_core.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c
index 201b453..bd9f8a0 100644
--- a/kernel/kexec_core.c
+++ b/kernel/kexec_core.c
@@ -1149,7 +1149,7 @@ static int __init parse_crashkernel_simple(char *cmdline,
        if (*cur == '@')
                *crash_base = memparse(cur+1, &cur);
        else if (*cur != ' ' && *cur != '\0') {
-               pr_warn("crashkernel: unrecognized char\n");
+               pr_warn("crashkernel: unrecognized char: %c\n", *cur);
                return -EINVAL;
        }
 
@@ -1186,12 +1186,12 @@ static int __init parse_crashkernel_suffix(char 
*cmdline,
 
        /* check with suffix */
        if (strncmp(cur, suffix, strlen(suffix))) {
-               pr_warn("crashkernel: unrecognized char\n");
+               pr_warn("crashkernel: unrecognized char: %c\n", *cur);
                return -EINVAL;
        }
        cur += strlen(suffix);
        if (*cur != ' ' && *cur != '\0') {
-               pr_warn("crashkernel: unrecognized char\n");
+               pr_warn("crashkernel: unrecognized char: %c\n", *cur);
                return -EINVAL;
        }
 
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