diff options
Diffstat (limited to 'arch/x86/kernel/dumpstack.c')
| -rw-r--r-- | arch/x86/kernel/dumpstack.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c index 1b81839b6c88..b154f6d99058 100644 --- a/arch/x86/kernel/dumpstack.c +++ b/arch/x86/kernel/dumpstack.c @@ -311,16 +311,33 @@ void die(const char *str, struct pt_regs *regs, long err) static int __init kstack_setup(char *s) { + ssize_t ret; + unsigned long val; + if (!s) return -EINVAL; - kstack_depth_to_print = simple_strtoul(s, NULL, 0); + + ret = kstrtoul(s, 0, &val); + if (ret) + return ret; + kstack_depth_to_print = val; return 0; } early_param("kstack", kstack_setup); static int __init code_bytes_setup(char *s) { - code_bytes = simple_strtoul(s, NULL, 0); + ssize_t ret; + unsigned long val; + + if (!s) + return -EINVAL; + + ret = kstrtoul(s, 0, &val); + if (ret) + return ret; + + code_bytes = val; if (code_bytes > 8192) code_bytes = 8192; |