diff options
Diffstat (limited to 'drivers/oprofile/oprofile_files.c')
| -rw-r--r-- | drivers/oprofile/oprofile_files.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/oprofile/oprofile_files.c b/drivers/oprofile/oprofile_files.c index 89f63456646f..84a208dbed93 100644 --- a/drivers/oprofile/oprofile_files.c +++ b/drivers/oprofile/oprofile_files.c | |||
| @@ -45,7 +45,7 @@ static ssize_t timeout_write(struct file *file, char const __user *buf, | |||
| 45 | return -EINVAL; | 45 | return -EINVAL; |
| 46 | 46 | ||
| 47 | retval = oprofilefs_ulong_from_user(&val, buf, count); | 47 | retval = oprofilefs_ulong_from_user(&val, buf, count); |
| 48 | if (retval) | 48 | if (retval <= 0) |
| 49 | return retval; | 49 | return retval; |
| 50 | 50 | ||
| 51 | retval = oprofile_set_timeout(val); | 51 | retval = oprofile_set_timeout(val); |
| @@ -84,7 +84,7 @@ static ssize_t depth_write(struct file *file, char const __user *buf, size_t cou | |||
| 84 | return -EINVAL; | 84 | return -EINVAL; |
| 85 | 85 | ||
| 86 | retval = oprofilefs_ulong_from_user(&val, buf, count); | 86 | retval = oprofilefs_ulong_from_user(&val, buf, count); |
| 87 | if (retval) | 87 | if (retval <= 0) |
| 88 | return retval; | 88 | return retval; |
| 89 | 89 | ||
| 90 | retval = oprofile_set_ulong(&oprofile_backtrace_depth, val); | 90 | retval = oprofile_set_ulong(&oprofile_backtrace_depth, val); |
| @@ -141,9 +141,10 @@ static ssize_t enable_write(struct file *file, char const __user *buf, size_t co | |||
| 141 | return -EINVAL; | 141 | return -EINVAL; |
| 142 | 142 | ||
| 143 | retval = oprofilefs_ulong_from_user(&val, buf, count); | 143 | retval = oprofilefs_ulong_from_user(&val, buf, count); |
| 144 | if (retval) | 144 | if (retval <= 0) |
| 145 | return retval; | 145 | return retval; |
| 146 | 146 | ||
| 147 | retval = 0; | ||
| 147 | if (val) | 148 | if (val) |
| 148 | retval = oprofile_start(); | 149 | retval = oprofile_start(); |
| 149 | else | 150 | else |