Setting
 "crashkernel=512M-2G:64M,2G-:128M"
does not work but it turns to work if it has a trailing-whitespace,
like
 "crashkernel=512M-2G:64M,2G-:128M ".

It was because of a bug in the parser, running over the cmdline.

This patch adds a check of the termination.

Reported-by: Jin Dongming <[email protected]>
Signed-off-by: Hidetoshi Seto <[email protected]>
Tested-by: Jin Dongming <[email protected]>
---
 kernel/kexec.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/kexec.c b/kernel/kexec.c
index ae1c352..f336e21 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -1228,7 +1228,7 @@ static int __init parse_crashkernel_mem(char              
        *cmdline,
        } while (*cur++ == ',');
 
        if (*crash_size > 0) {
-               while (*cur != ' ' && *cur != '@')
+               while (*cur && *cur != ' ' && *cur != '@')
                        cur++;
                if (*cur == '@') {
                        cur++;
-- 
1.6.0


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