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-rw-r--r--fs/coda/inode.c37
1 files changed, 20 insertions, 17 deletions
diff --git a/fs/coda/inode.c b/fs/coda/inode.c
index f1813120d753..be2aa4909487 100644
--- a/fs/coda/inode.c
+++ b/fs/coda/inode.c
@@ -85,6 +85,11 @@ int coda_init_inodecache(void)
void coda_destroy_inodecache(void)
{
+ /*
+ * Make sure all delayed rcu free inodes are flushed before we
+ * destroy cache.
+ */
+ rcu_barrier();
kmem_cache_destroy(coda_inode_cachep);
}
@@ -107,43 +112,41 @@ static const struct super_operations coda_super_operations =
static int get_device_index(struct coda_mount_data *data)
{
- struct file *file;
+ struct fd f;
struct inode *inode;
int idx;
- if(data == NULL) {
+ if (data == NULL) {
printk("coda_read_super: Bad mount data\n");
return -1;
}
- if(data->version != CODA_MOUNT_VERSION) {
+ if (data->version != CODA_MOUNT_VERSION) {
printk("coda_read_super: Bad mount version\n");
return -1;
}
- file = fget(data->fd);
- inode = NULL;
- if(file)
- inode = file->f_path.dentry->d_inode;
-
- if(!inode || !S_ISCHR(inode->i_mode) ||
- imajor(inode) != CODA_PSDEV_MAJOR) {
- if(file)
- fput(file);
-
- printk("coda_read_super: Bad file\n");
- return -1;
+ f = fdget(data->fd);
+ if (!f.file)
+ goto Ebadf;
+ inode = f.file->f_path.dentry->d_inode;
+ if (!S_ISCHR(inode->i_mode) || imajor(inode) != CODA_PSDEV_MAJOR) {
+ fdput(f);
+ goto Ebadf;
}
idx = iminor(inode);
- fput(file);
+ fdput(f);
- if(idx < 0 || idx >= MAX_CODADEVS) {
+ if (idx < 0 || idx >= MAX_CODADEVS) {
printk("coda_read_super: Bad minor number\n");
return -1;
}
return idx;
+Ebadf:
+ printk("coda_read_super: Bad file\n");
+ return -1;
}
static int coda_fill_super(struct super_block *sb, void *data, int silent)