knav_queue_open always returns an ERR_PTR value, never NULL. This can be confirmed by unfolding the function calls and conforms to the function's documentation. Thus, replace IS_ERR_OR_NULL by IS_ERR in error checks.
The change is made using the following semantic patch: (http://coccinelle.lip6.fr/) // <smpl> @@ expression x; statement S; @@ x = knav_queue_open(...); if ( - IS_ERR_OR_NULL + IS_ERR (x)) S // </smpl> Signed-off-by: Julia Lawall <[email protected]> --- The patches in this series are completely independent of each other, except for having been made from the same specification. drivers/soc/ti/knav_qmss_queue.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/soc/ti/knav_qmss_queue.c b/drivers/soc/ti/knav_qmss_queue.c index b73e353..d90df84 100644 --- a/drivers/soc/ti/knav_qmss_queue.c +++ b/drivers/soc/ti/knav_qmss_queue.c @@ -777,7 +777,7 @@ void *knav_pool_create(const char *name, } pool->queue = knav_queue_open(name, KNAV_QUEUE_GP, 0); - if (IS_ERR_OR_NULL(pool->queue)) { + if (IS_ERR(pool->queue)) { dev_err(kdev->dev, "failed to open queue for pool(%s), error %ld\n", name, PTR_ERR(pool->queue));
