diff options
author | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-04-21 15:18:55 +0000 |
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committer | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-04-21 15:18:55 +0000 |
commit | f480dd5941ebd6ea9622715f7b8d1e240d01c903 (patch) | |
tree | 0e218522de42e6e66e11362d3b24d31edb1f3dd5 /target/linux/generic/patches-2.6.30/923-gpiommc-configfs-locking.patch | |
parent | 696e0160a59b1993df22c1dbd44855bee6fbfcfe (diff) |
linux/2.6.30: R.I.P.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31411 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/patches-2.6.30/923-gpiommc-configfs-locking.patch')
-rw-r--r-- | target/linux/generic/patches-2.6.30/923-gpiommc-configfs-locking.patch | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/target/linux/generic/patches-2.6.30/923-gpiommc-configfs-locking.patch b/target/linux/generic/patches-2.6.30/923-gpiommc-configfs-locking.patch deleted file mode 100644 index 2e4e820b2..000000000 --- a/target/linux/generic/patches-2.6.30/923-gpiommc-configfs-locking.patch +++ /dev/null @@ -1,58 +0,0 @@ -The gpiommc configfs context structure needs locking, as configfs -does not lock access between files. - ---- a/drivers/mmc/host/gpiommc.c -+++ b/drivers/mmc/host/gpiommc.c -@@ -143,6 +143,8 @@ struct gpiommc_configfs_device { - struct platform_device *pdev; - /* The configuration */ - struct gpiommc_platform_data pdata; -+ /* Mutex to protect this structure */ -+ struct mutex mutex; - }; - - #define GPIO_INVALID -1 -@@ -233,6 +235,8 @@ static ssize_t gpiommc_config_attr_show( - unsigned int gpio; - int err = 0; - -+ mutex_lock(&dev->mutex); -+ - if (attr == &gpiommc_attr_DI) { - gpio = dev->pdata.pins.gpio_di; - if (gpio == GPIO_INVALID) -@@ -293,6 +297,8 @@ static ssize_t gpiommc_config_attr_show( - WARN_ON(1); - err = -ENOSYS; - out: -+ mutex_unlock(&dev->mutex); -+ - return err ? err : count; - } - -@@ -352,6 +358,8 @@ static ssize_t gpiommc_config_attr_store - int err = -EINVAL; - unsigned long data; - -+ mutex_lock(&dev->mutex); -+ - if (attr == &gpiommc_attr_register) { - err = strict_strtoul(page, 10, &data); - if (err) -@@ -477,6 +485,8 @@ static ssize_t gpiommc_config_attr_store - WARN_ON(1); - err = -ENOSYS; - out: -+ mutex_unlock(&dev->mutex); -+ - return err ? err : count; - } - -@@ -513,6 +523,7 @@ static struct config_item *gpiommc_make_ - if (!dev) - return NULL; - -+ mutex_init(&dev->mutex); - config_item_init_type_name(&dev->item, name, - &gpiommc_dev_ci_type); - |