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authorBorislav Petkov <bp@suse.de>2015-10-19 11:17:47 +0200
committerIngo Molnar <mingo@kernel.org>2015-10-21 11:10:57 +0200
commit53b90c0c56b502056da83d768047dcf765bac9fb (patch)
tree8236aecf8085bc9e695042f61e42aef812614f21 /kernel/kexec_core.c
parent6f3760570e26eefc214e641b6daeddb7106240bb (diff)
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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 <bp@suse.de> Reviewed-by: Dave Young <dyoung@redhat.com> Reviewed-by: Joerg Roedel <jroedel@suse.de> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Baoquan He <bhe@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Jiri Kosina <jkosina@suse.cz> Cc: Juergen Gross <jgross@suse.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mark Salter <msalter@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vivek Goyal <vgoyal@redhat.com> Cc: WANG Chao <chaowang@redhat.com> Cc: jerry_hoemann@hp.com Link: http://lkml.kernel.org/r/1445246268-26285-8-git-send-email-bp@alien8.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/kexec_core.c')
-rw-r--r--kernel/kexec_core.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c
index 201b45327804..bd9f8a03cefa 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;
}