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macintosh/macio-adb: replace of_node_put() with __free

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use the new cleanup magic to replace of_node_put() with
__free(device_node) marking to auto release when they get out of scope.

Suggested-by: Julia Lawall <julia.lawall@inria.fr>
Signed-off-by: sundar <prosunofficial@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240424150718.5006-1-prosunofficial@gmail.com
This commit is contained in:
sundar 2024-04-24 20:37:18 +05:30 committed by Michael Ellerman
parent dda32e37d3
commit 84030aacf1
1 changed files with 10 additions and 14 deletions
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24
drivers/macintosh/macio-adb.c
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@ -83,35 +83,32 @@ struct adb_driver macio_adb_driver = {
int macio_probe(void)
{
struct device_node *np;
struct device_node *np __free(device_node) =
of_find_compatible_node(NULL, "adb", "chrp,adb0");
np = of_find_compatible_node(NULL, "adb", "chrp,adb0");
if (np) {
of_node_put(np);
if (np)
return 0;
}
return -ENODEV;
}
int macio_init(void)
{
struct device_node *adbs;
struct device_node *adbs __free(device_node) =
of_find_compatible_node(NULL, "adb", "chrp,adb0");
struct resource r;
unsigned int irq;
adbs = of_find_compatible_node(NULL, "adb", "chrp,adb0");
if (!adbs)
return -ENXIO;
if (of_address_to_resource(adbs, 0, &r)) {
of_node_put(adbs);
if (of_address_to_resource(adbs, 0, &r))
return -ENXIO;
}
adb = ioremap(r.start, sizeof(struct adb_regs));
if (!adb) {
of_node_put(adbs);
if (!adb)
return -ENOMEM;
}
out_8(&adb->ctrl.r, 0);
out_8(&adb->intr.r, 0);
@ -121,7 +118,6 @@ int macio_init(void)
out_8(&adb->autopoll.r, APE);
irq = irq_of_parse_and_map(adbs, 0);
of_node_put(adbs);
if (request_irq(irq, macio_adb_interrupt, 0, "ADB", (void *)0)) {
iounmap(adb);
printk(KERN_ERR "ADB: can't get irq %d\n", irq);