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bus: arm-ccn: Simplify code

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Use 'devm_kasprintf()' to simplify the code.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Scott Branden <scott.branden@broadcom.com>
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
This commit is contained in:
Christophe JAILLET 2017-08-27 11:07:06 +01:00 committed by Pawel Moll
parent 24771179c5
commit 0f9afd36ba
1 changed files with 2 additions and 4 deletions
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6
drivers/bus/arm-ccn.c
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@ -1268,14 +1268,12 @@ static int arm_ccn_pmu_init(struct arm_ccn *ccn)
if (ccn->dt.id == 0) {
name = "ccn";
} else {
int len = snprintf(NULL, 0, "ccn_%d", ccn->dt.id);
name = devm_kzalloc(ccn->dev, len + 1, GFP_KERNEL);
name = devm_kasprintf(ccn->dev, GFP_KERNEL, "ccn_%d",
ccn->dt.id);
if (!name) {
err = -ENOMEM;
goto error_choose_name;
}
snprintf(name, len + 1, "ccn_%d", ccn->dt.id);
}
/* Perf driver registration */