lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[CIFS] Remove unnecessary checks

Browse Source 
file->f_path.dentry or file->f_path.dentry.d_inode can't be NULL since at
least ten years, similar for all but very few arguments passed in from the
VFS.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Christoph Hellwig
2007-04-02 18:47:20 +00:00
committed by Steve French
parent 2e175a9004
commit c33f8d3274
3 changed files with 6 additions and 53 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
fs/cifs/readdir.c
View File

@@ -444,9 +444,6 @@ static int initiate_cifs_search(const int xid, struct file *file)
cifsFile->invalidHandle = TRUE;
cifsFile->srch_inf.endOfSearch = FALSE;
if(file->f_path.dentry == NULL)
return -ENOENT;
cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
if(cifs_sb == NULL)
return -EINVAL;
@@ -618,20 +615,10 @@ static int cifs_entry_is_dot(char *current_entry, struct cifsFileInfo *cfile)
whether we can use the cached search results from the previous search */
static int is_dir_changed(struct file * file)
{
struct inode * inode;
struct cifsInodeInfo *cifsInfo;
struct inode *inode = file->f_path.dentry->d_inode;
struct cifsInodeInfo *cifsInfo = CIFS_I(inode);
if(file->f_path.dentry == NULL)
return 0;
inode = file->f_path.dentry->d_inode;
if(inode == NULL)
return 0;
cifsInfo = CIFS_I(inode);
if(cifsInfo->time == 0)
if (cifsInfo->time == 0)
return 1; /* directory was changed, perhaps due to unlink */
else
return 0;
@@ -851,9 +838,6 @@ static int cifs_filldir(char *pfindEntry, struct file *file,
if((scratch_buf == NULL) || (pfindEntry == NULL) || (pCifsF == NULL))
return -ENOENT;
if(file->f_path.dentry == NULL)
return -ENOENT;
rc = cifs_entry_is_dot(pfindEntry,pCifsF);
/* skip . and .. since we added them first */
if(rc != 0)
@@ -997,11 +981,6 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir)
xid = GetXid();
if(file->f_path.dentry == NULL) {
FreeXid(xid);
return -EIO;
}
cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
pTcon = cifs_sb->tcon;
if(pTcon == NULL)