[PATCH] video: vidconsole: Fix null dereference of ops->measure

At present vidconsole_measure() tests ops->select_font before calling ops->measure, which would result in a null dereference when the console driver provides no ops for measure.
Fixes: b828ed7d7929 ("console: Allow measuring the bounding box of text") Signed-off-by: Bin Meng bmeng@tinylab.org ---
drivers/video/vidconsole-uclass.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/video/vidconsole-uclass.c b/drivers/video/vidconsole-uclass.c index 05f9304780..b5b3b66259 100644 --- a/drivers/video/vidconsole-uclass.c +++ b/drivers/video/vidconsole-uclass.c @@ -603,7 +603,7 @@ int vidconsole_measure(struct udevice *dev, const char *name, uint size, struct vidconsole_ops *ops = vidconsole_get_ops(dev); int ret;
- if (ops->select_font) { + if (ops->measure) { ret = ops->measure(dev, name, size, text, bbox); if (ret != -ENOSYS) return ret;

On Thu, 3 Aug 2023 at 03:32, Bin Meng bmeng@tinylab.org wrote:
At present vidconsole_measure() tests ops->select_font before calling ops->measure, which would result in a null dereference when the console driver provides no ops for measure.
Fixes: b828ed7d7929 ("console: Allow measuring the bounding box of text") Signed-off-by: Bin Meng bmeng@tinylab.org
drivers/video/vidconsole-uclass.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Reviewed-by: Simon Glass sjg@chromium.org

On Thu, 3 Aug 2023 17:32:41 +0800 Bin Meng bmeng@tinylab.org wrote:
At present vidconsole_measure() tests ops->select_font before calling ops->measure, which would result in a null dereference when the console driver provides no ops for measure.
Fixes: b828ed7d7929 ("console: Allow measuring the bounding box of text") Signed-off-by: Bin Meng bmeng@tinylab.org
drivers/video/vidconsole-uclass.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
applied to u-boot-video/master, thanks!
-- Anatolij
participants (3)
-
Anatolij Gustschin
-
Bin Meng
-
Simon Glass