diff options
Diffstat (limited to 'kernel/fail_function.c')
| -rw-r--r-- | kernel/fail_function.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/kernel/fail_function.c b/kernel/fail_function.c index 63b349168da7..60dc825ecc2b 100644 --- a/kernel/fail_function.c +++ b/kernel/fail_function.c @@ -37,9 +37,7 @@ static unsigned long adjust_error_retval(unsigned long addr, unsigned long retv) { switch (get_injectable_error_type(addr)) { case EI_ETYPE_NULL: - if (retv != 0) - return 0; - break; + return 0; case EI_ETYPE_ERRNO: if (retv < (unsigned long)-MAX_ERRNO) return (unsigned long)-EINVAL; @@ -48,6 +46,8 @@ static unsigned long adjust_error_retval(unsigned long addr, unsigned long retv) if (retv != 0 && retv < (unsigned long)-MAX_ERRNO) return (unsigned long)-EINVAL; break; + case EI_ETYPE_TRUE: + return 1; } return retv; @@ -253,7 +253,7 @@ static ssize_t fei_write(struct file *file, const char __user *buffer, if (copy_from_user(buf, buffer, count)) { ret = -EFAULT; - goto out; + goto out_free; } buf[count] = '\0'; sym = strstrip(buf); @@ -307,8 +307,9 @@ static ssize_t fei_write(struct file *file, const char __user *buffer, ret = count; } out: - kfree(buf); mutex_unlock(&fei_lock); +out_free: + kfree(buf); return ret; } |