Message ID | 20191003104409.15756-3-dafna.hirschfeld@collabora.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | media: vimc: bug fixes related to memory management | expand |
On 10/3/19 7:44 AM, Dafna Hirschfeld wrote: > Since the add callback returns NULL on failure and the array > is initialized to NULLs, there is no need for the intermediate > assignment to local var. > > Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com> I would just rename the title to something like: "media: vimc: remove unnecessary var when adding entities" It makes clear what you are doing and where, what do you think? With this: Acked-by: Helen Koike <helen.koike@collabora.com> > --- > drivers/media/platform/vimc/vimc-core.c | 6 ++---- > 1 file changed, 2 insertions(+), 4 deletions(-) > > diff --git a/drivers/media/platform/vimc/vimc-core.c b/drivers/media/platform/vimc/vimc-core.c > index b8add4087652..325f55d0d8b3 100644 > --- a/drivers/media/platform/vimc/vimc-core.c > +++ b/drivers/media/platform/vimc/vimc-core.c > @@ -160,19 +160,17 @@ static int vimc_create_links(struct vimc_device *vimc) > static int vimc_add_subdevs(struct vimc_device *vimc) > { > unsigned int i; > - struct vimc_ent_device *ved; > > for (i = 0; i < vimc->pipe_cfg->num_ents; i++) { > dev_dbg(&vimc->pdev.dev, "new entity for %s\n", > vimc->pipe_cfg->ents[i].name); > - ved = vimc->pipe_cfg->ents[i].add(vimc, > + vimc->ent_devs[i] = vimc->pipe_cfg->ents[i].add(vimc, > vimc->pipe_cfg->ents[i].name); > - if (!ved) { > + if (!vimc->ent_devs[i]) { > dev_err(&vimc->pdev.dev, "add new entity for %s\n", > vimc->pipe_cfg->ents[i].name); > return -EINVAL; > } > - vimc->ent_devs[i] = ved; > } > return 0; > } >
diff --git a/drivers/media/platform/vimc/vimc-core.c b/drivers/media/platform/vimc/vimc-core.c index b8add4087652..325f55d0d8b3 100644 --- a/drivers/media/platform/vimc/vimc-core.c +++ b/drivers/media/platform/vimc/vimc-core.c @@ -160,19 +160,17 @@ static int vimc_create_links(struct vimc_device *vimc) static int vimc_add_subdevs(struct vimc_device *vimc) { unsigned int i; - struct vimc_ent_device *ved; for (i = 0; i < vimc->pipe_cfg->num_ents; i++) { dev_dbg(&vimc->pdev.dev, "new entity for %s\n", vimc->pipe_cfg->ents[i].name); - ved = vimc->pipe_cfg->ents[i].add(vimc, + vimc->ent_devs[i] = vimc->pipe_cfg->ents[i].add(vimc, vimc->pipe_cfg->ents[i].name); - if (!ved) { + if (!vimc->ent_devs[i]) { dev_err(&vimc->pdev.dev, "add new entity for %s\n", vimc->pipe_cfg->ents[i].name); return -EINVAL; } - vimc->ent_devs[i] = ved; } return 0; }
Since the add callback returns NULL on failure and the array is initialized to NULLs, there is no need for the intermediate assignment to local var. Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com> --- drivers/media/platform/vimc/vimc-core.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)