diff options
Diffstat (limited to 'kexec/arch/ppc64/crashdump-ppc64.c')
| -rw-r--r-- | kexec/arch/ppc64/crashdump-ppc64.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kexec/arch/ppc64/crashdump-ppc64.c b/kexec/arch/ppc64/crashdump-ppc64.c index 5a71d51..13995bf 100644 --- a/kexec/arch/ppc64/crashdump-ppc64.c +++ b/kexec/arch/ppc64/crashdump-ppc64.c @@ -381,7 +381,7 @@ static void ultoa(uint64_t i, char *str) static int add_cmdline_param(char *cmdline, uint64_t addr, char *cmdstr, char *byte) { - int cmdlen, len, align = 1024; + int cmdline_size, cmdlen, len, align = 1024; char str[COMMAND_LINE_SIZE], *ptr; /* Passing in =xxxK / =xxxM format. Saves space required in cmdline.*/ @@ -402,7 +402,9 @@ static int add_cmdline_param(char *cmdline, uint64_t addr, char *cmdstr, strcat(str, byte); len = strlen(str); cmdlen = strlen(cmdline) + len; - if (cmdlen > (COMMAND_LINE_SIZE - 1)) + cmdline_size = (kernel_version() < KERNEL_VERSION(3, 15, 0) ? + 512 : COMMAND_LINE_SIZE); + if (cmdlen > (cmdline_size - 1)) die("Command line overflow\n"); strcat(cmdline, str); dbgprintf("Command line after adding elfcorehdr: %s\n", cmdline); |