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| author | Jens Axboe <jens.axboe@oracle.com> | 2009-12-03 13:49:39 +0100 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2009-12-03 13:49:39 +0100 |
| commit | 220d0b1dbf78c6417a658c96e571415552d3abac (patch) | |
| tree | 70cd3862540c38ea490e7a27c3c7acc35b680234 /drivers/misc/sgi-gru/gruprocfs.c | |
| parent | cfq-iosched: no dispatch limit for single queue (diff) | |
| parent | Linux 2.6.32 (diff) | |
| download | linux-220d0b1dbf78c6417a658c96e571415552d3abac.tar.xz linux-220d0b1dbf78c6417a658c96e571415552d3abac.zip | |
Merge branch 'master' into for-2.6.33
Diffstat (limited to 'drivers/misc/sgi-gru/gruprocfs.c')
| -rw-r--r-- | drivers/misc/sgi-gru/gruprocfs.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/misc/sgi-gru/gruprocfs.c b/drivers/misc/sgi-gru/gruprocfs.c index ccd4408a26c7..3f2375c5ba5b 100644 --- a/drivers/misc/sgi-gru/gruprocfs.c +++ b/drivers/misc/sgi-gru/gruprocfs.c @@ -161,14 +161,15 @@ static int options_show(struct seq_file *s, void *p) static ssize_t options_write(struct file *file, const char __user *userbuf, size_t count, loff_t *data) { - unsigned long val; - char buf[80]; + char buf[20]; - if (strncpy_from_user(buf, userbuf, sizeof(buf) - 1) < 0) + if (count >= sizeof(buf)) + return -EINVAL; + if (copy_from_user(buf, userbuf, count)) return -EFAULT; - buf[count - 1] = '\0'; - if (!strict_strtoul(buf, 10, &val)) - gru_options = val; + buf[count] = '\0'; + if (strict_strtoul(buf, 0, &gru_options)) + return -EINVAL; return count; } |