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author | Felix Fietkau <nbd@openwrt.org> | 2010-06-26 20:42:58 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2010-06-26 20:42:58 +0000 |
commit | da1bb88a2b900f0392b731ec47c5e1bff956fd8f (patch) | |
tree | 597146471e3eeafb4ba55e802e80b896770808ff /target/linux/generic-2.6/patches-2.6.33/923-gpiommc-configfs-locking.patch | |
parent | 6117c04c9416b295347fb45c37e430f01df1d0d9 (diff) | |
download | mtk-20170518-da1bb88a2b900f0392b731ec47c5e1bff956fd8f.zip mtk-20170518-da1bb88a2b900f0392b731ec47c5e1bff956fd8f.tar.gz mtk-20170518-da1bb88a2b900f0392b731ec47c5e1bff956fd8f.tar.bz2 |
rename target/linux/generic-2.6 to generic
SVN-Revision: 21952
Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.33/923-gpiommc-configfs-locking.patch')
-rw-r--r-- | target/linux/generic-2.6/patches-2.6.33/923-gpiommc-configfs-locking.patch | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.33/923-gpiommc-configfs-locking.patch b/target/linux/generic-2.6/patches-2.6.33/923-gpiommc-configfs-locking.patch deleted file mode 100644 index 2e4e820..0000000 --- a/target/linux/generic-2.6/patches-2.6.33/923-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); - |