AcoSail/kernel_optimize_test
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ecryptfs: Eliminate useless code

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The variable lower_dentry is initialized twice to the same (side effect-free)
expression.  Drop one initialization.

A simplified version of the semantic match that finds this problem is:
(http://coccinelle.lip6.fr/)

// <smpl>
@forall@
idexpression *x;
identifier f!=ERR_PTR;
@@

x = f(...)
... when != x
(
x = f(...,<+...x...+>,...)
|
* x = f(...)
)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
This commit is contained in:
Julia Lawall 2010-01-16 17:00:26 +01:00 committed by Tyler Hicks
parent fe0fc013cd
commit 4aa25bcb7d
1 changed files with 1 additions and 1 deletions
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2
fs/ecryptfs/file.c
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@ -158,7 +158,7 @@ static int ecryptfs_open(struct inode *inode, struct file *file)
struct dentry *ecryptfs_dentry = file->f_path.dentry;
/* Private value of ecryptfs_dentry allocated in
* ecryptfs_lookup() */
struct dentry *lower_dentry = ecryptfs_dentry_to_lower(ecryptfs_dentry);
struct dentry *lower_dentry;
struct ecryptfs_file_info *file_info;
mount_crypt_stat = &ecryptfs_superblock_to_private(