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| author | Rik Faith <faith@alephnull.com> | 2000-08-17 20:26:11 +0000 |
|---|---|---|
| committer | Rik Faith <faith@alephnull.com> | 2000-08-17 20:26:11 +0000 |
| commit | f75ec3010ad8d15d316f6e6d580c85f9e6b8466e (patch) | |
| tree | 27da891a1c71869ad9e8293d95aebe93fb06523c | |
| parent | 761ffd63f3b8c9789afe026e75d384a6d450165a (diff) | |
| download | drm-f75ec3010ad8d15d316f6e6d580c85f9e6b8466e.tar.gz | |
Bug #112196: auth.c uses semaphores while holding spinlocks Make spinlocked
region smaller to avoid semaphore.
| -rw-r--r-- | linux/auth.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/linux/auth.c b/linux/auth.c index 9f81c539..4556bd96 100644 --- a/linux/auth.c +++ b/linux/auth.c @@ -126,12 +126,12 @@ int drm_getmagic(struct inode *inode, struct file *filp, unsigned int cmd, if (priv->magic) { auth.magic = priv->magic; } else { - spin_lock(&lock); do { + spin_lock(&lock); if (!sequence) ++sequence; /* reserve 0 */ auth.magic = sequence++; + spin_unlock(&lock); } while (drm_find_file(dev, auth.magic)); - spin_unlock(&lock); priv->magic = auth.magic; drm_add_magic(dev, priv, auth.magic); } |