[PATCH 03/11] persistent_ram: Introduce persistent_ram_post_init()

Anton Vorontsov
2012-05-12T00:18:56Z

Factor post init logic out of __persistent_ram_init(), we'll need
it for the new persistent_ram_new() routine.

Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
---
drivers/staging/android/persistent_ram.c | 44 ++++++++++++++++++------------
1 file changed, 27 insertions(+), 17 deletions(-)

diff --git a/drivers/staging/android/persistent_ram.c b/drivers/staging/android/persistent_ram.c
index 13a12bc..ec23822 100644
--- a/drivers/staging/android/persistent_ram.c
+++ b/drivers/staging/android/persistent_ram.c
@@ -378,28 +378,15 @@ static int __init persistent_ram_buffer_init(const char *name,
return -EINVAL;
}

-static __init
-struct persistent_ram_zone *__persistent_ram_init(struct device *dev, bool ecc)
+static int __init persistent_ram_post_init(struct persistent_ram_zone *prz, bool ecc)
{
- struct persistent_ram_zone *prz;
- int ret = -ENOMEM;
-
- prz = kzalloc(sizeof(struct persistent_ram_zone), GFP_KERNEL);
- if (!prz) {
- pr_err("persistent_ram: failed to allocate persistent ram zone\n");
- goto err;
- }
-
- ret = persistent_ram_buffer_init(dev_name(dev), prz);
- if (ret) {
- pr_err("persistent_ram: failed to initialize buffer\n");
- goto err;
- }
+ int ret;

prz->ecc = ecc;
+
ret = persistent_ram_init_ecc(prz, prz->buffer_size);
if (ret)
- goto err;
+ return ret;

if (prz->buffer->sig == PERSISTENT_RAM_SIG) {
if (buffer_size(prz) > prz->buffer_size ||
@@ -422,6 +409,29 @@ struct persistent_ram_zone *__persistent_ram_init(struct device *dev, bool ecc)
atomic_set(&prz->buffer->start, 0);
atomic_set(&prz->buffer->size, 0);

+ return 0;
+}
+
+static __init
+struct persistent_ram_zone *__persistent_ram_init(struct device *dev, bool ecc)
+{
+ struct persistent_ram_zone *prz;
+ int ret = -ENOMEM;
+
+ prz = kzalloc(sizeof(struct persistent_ram_zone), GFP_KERNEL);
+ if (!prz) {
+ pr_err("persistent_ram: failed to allocate persistent ram zone\n");
+ goto err;
+ }
+
+ ret = persistent_ram_buffer_init(dev_name(dev), prz);
+ if (ret) {
+ pr_err("persistent_ram: failed to initialize buffer\n");
+ goto err;
+ }
+
+ persistent_ram_post_init(prz, ecc);
+
return prz;
err:
kfree(prz);
--
1.7.9.2