[PATCH] crypto: bcm: use of_device_get_match_data
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STALE3296d
From: Corentin Labbe <clabbe.montjoie@gmail.com>
Date: 2017-09-20 18:49:37
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lkml
Subsystem:
crypto api, the rest · Maintainers:
Herbert Xu, "David S. Miller", Linus Torvalds
The usage of of_device_get_match_data reduce the code size a bit. Furthermore, it prevents an improbable dereference when of_match_device() return NULL. Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com> --- drivers/crypto/bcm/cipher.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/crypto/bcm/cipher.c b/drivers/crypto/bcm/cipher.c
index 537a67483aa3..92e97a6da811 100644
--- a/drivers/crypto/bcm/cipher.c
+++ b/drivers/crypto/bcm/cipher.c@@ -4818,7 +4818,6 @@ static int spu_dt_read(struct platform_device *pdev) struct device *dev = &pdev->dev; struct spu_hw *spu = &iproc_priv.spu; struct resource *spu_ctrl_regs; - const struct of_device_id *match; const struct spu_type_subtype *matched_spu_type; struct device_node *dn = pdev->dev.of_node; int err, i;
@@ -4826,14 +4825,12 @@ static int spu_dt_read(struct platform_device *pdev) /* Count number of mailbox channels */ spu->num_chan = of_count_phandle_with_args(dn, "mboxes", "#mbox-cells"); - match = of_match_device(of_match_ptr(bcm_spu_dt_ids), dev); - if (!match) { + matched_spu_type = of_device_get_match_data(dev); + if (!matched_spu_type) { dev_err(&pdev->dev, "Failed to match device\n"); return -ENODEV; } - matched_spu_type = match->data; - spu->spu_type = matched_spu_type->type; spu->spu_subtype = matched_spu_type->subtype;
--
2.13.5