在 2021/4/20 17:35, Andrew Rybchenko 写道:
On 4/19/21 4:34 PM, Min Hu (Connor) wrote:'bm_mc_init' only return 0, but the function whicl calls int check the negative ret, and this is redundant. This patch fixed it by not checking the return value. Fixes: f38f61e982f8 ("bus/dpaa: add BMAN hardware interfaces") Cc: [email protected] Signed-off-by: Min Hu (Connor) <[email protected]> --- drivers/bus/dpaa/base/qbman/bman.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/bus/dpaa/base/qbman/bman.c b/drivers/bus/dpaa/base/qbman/bman.c index 8a62907..e1ba2a8 100644 --- a/drivers/bus/dpaa/base/qbman/bman.c +++ b/drivers/bus/dpaa/base/qbman/bman.c @@ -70,10 +70,8 @@ struct bman_portal *bman_create_portal(struct bman_portal *portal, pr_err("Bman RCR initialisation failed\n"); return NULL; } - if (bm_mc_init(p)) { - pr_err("Bman MC initialisation failed\n"); - goto fail_mc; - } + (void)bm_mc_init(p); +As I understand compiler can do it for you and there is no point to break the code in the case of future changes if bm_mc_init() starts to return errors.
Agreed, this patch can be abandoned.
portal->pools = kmalloc(2 * sizeof(*pools), GFP_KERNEL); if (!portal->pools) goto fail_pools;.

