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path: root/drivers/staging/omapdrm/omap_debugfs.c
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Diffstat (limited to 'drivers/staging/omapdrm/omap_debugfs.c')
-rw-r--r--drivers/staging/omapdrm/omap_debugfs.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/staging/omapdrm/omap_debugfs.c b/drivers/staging/omapdrm/omap_debugfs.c
index 2f122e00b51d..e95540b3e2f6 100644
--- a/drivers/staging/omapdrm/omap_debugfs.c
+++ b/drivers/staging/omapdrm/omap_debugfs.c
@@ -72,6 +72,7 @@ static int fb_show(struct seq_file *m, void *arg)
seq_printf(m, "fbcon ");
omap_framebuffer_describe(priv->fbdev->fb, m);
+ mutex_lock(&dev->mode_config.fb_lock);
list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
if (fb == priv->fbdev->fb)
continue;
@@ -79,6 +80,7 @@ static int fb_show(struct seq_file *m, void *arg)
seq_printf(m, "user ");
omap_framebuffer_describe(fb, m);
}
+ mutex_unlock(&dev->mode_config.fb_lock);
mutex_unlock(&dev->struct_mutex);
mutex_unlock(&dev->mode_config.mutex);