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path: root/drivers/lightnvm
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Diffstat (limited to 'drivers/lightnvm')
-rw-r--r--drivers/lightnvm/core.c34
1 files changed, 16 insertions, 18 deletions
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index 0e9f7996ff1d..0df7454832ef 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -483,7 +483,6 @@ static void __nvm_remove_target(struct nvm_target *t, bool graceful)
/**
* nvm_remove_tgt - Removes a target from the media manager
- * @dev: device
* @remove: ioctl structure with target name to remove.
*
* Returns:
@@ -491,18 +490,27 @@ static void __nvm_remove_target(struct nvm_target *t, bool graceful)
* 1: on not found
* <0: on error
*/
-static int nvm_remove_tgt(struct nvm_dev *dev, struct nvm_ioctl_remove *remove)
+static int nvm_remove_tgt(struct nvm_ioctl_remove *remove)
{
struct nvm_target *t;
+ struct nvm_dev *dev;
- mutex_lock(&dev->mlock);
- t = nvm_find_target(dev, remove->tgtname);
- if (!t) {
+ down_read(&nvm_lock);
+ list_for_each_entry(dev, &nvm_devices, devices) {
+ mutex_lock(&dev->mlock);
+ t = nvm_find_target(dev, remove->tgtname);
+ if (t) {
+ mutex_unlock(&dev->mlock);
+ break;
+ }
mutex_unlock(&dev->mlock);
- return 1;
}
+ up_read(&nvm_lock);
+
+ if (!t)
+ return 1;
+
__nvm_remove_target(t, true);
- mutex_unlock(&dev->mlock);
kref_put(&dev->ref, nvm_free);
return 0;
@@ -1348,8 +1356,6 @@ static long nvm_ioctl_dev_create(struct file *file, void __user *arg)
static long nvm_ioctl_dev_remove(struct file *file, void __user *arg)
{
struct nvm_ioctl_remove remove;
- struct nvm_dev *dev;
- int ret = 0;
if (copy_from_user(&remove, arg, sizeof(struct nvm_ioctl_remove)))
return -EFAULT;
@@ -1361,15 +1367,7 @@ static long nvm_ioctl_dev_remove(struct file *file, void __user *arg)
return -EINVAL;
}
- down_read(&nvm_lock);
- list_for_each_entry(dev, &nvm_devices, devices) {
- ret = nvm_remove_tgt(dev, &remove);
- if (!ret)
- break;
- }
- up_read(&nvm_lock);
-
- return ret;
+ return nvm_remove_tgt(&remove);
}
/* kept for compatibility reasons */