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| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-07-22 19:23:33 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-07-29 19:24:21 +0200 |
| commit | 20818a0caa84adbfe2f1e9c0e036f5b09a9692a2 (patch) | |
| tree | 1e5281da3ca21fa0d7fdccd1d6e93277bdff5ba1 /drivers/usb/gadget/storage_common.c | |
| parent | slightly reduce lossage in gdm72xx (diff) | |
| download | linux-20818a0caa84adbfe2f1e9c0e036f5b09a9692a2.tar.xz linux-20818a0caa84adbfe2f1e9c0e036f5b09a9692a2.zip | |
gadgetfs: clean up
sigh...
* opened files have non-NULL dentries and non-NULL inodes
* close_filp() needs current->files only if the file had been
in descriptor table.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/usb/gadget/storage_common.c')
| -rw-r--r-- | drivers/usb/gadget/storage_common.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/usb/gadget/storage_common.c b/drivers/usb/gadget/storage_common.c index 8081ca3a70a2..f92943246820 100644 --- a/drivers/usb/gadget/storage_common.c +++ b/drivers/usb/gadget/storage_common.c @@ -654,9 +654,8 @@ static int fsg_lun_open(struct fsg_lun *curlun, const char *filename) if (!(filp->f_mode & FMODE_WRITE)) ro = 1; - if (filp->f_path.dentry) - inode = filp->f_path.dentry->d_inode; - if (!inode || (!S_ISREG(inode->i_mode) && !S_ISBLK(inode->i_mode))) { + inode = filp->f_path.dentry->d_inode; + if ((!S_ISREG(inode->i_mode) && !S_ISBLK(inode->i_mode))) { LINFO(curlun, "invalid file type: %s\n", filename); goto out; } @@ -665,7 +664,7 @@ static int fsg_lun_open(struct fsg_lun *curlun, const char *filename) * If we can't read the file, it's no good. * If we can't write the file, use it read-only. */ - if (!filp->f_op || !(filp->f_op->read || filp->f_op->aio_read)) { + if (!(filp->f_op->read || filp->f_op->aio_read)) { LINFO(curlun, "file not readable: %s\n", filename); goto out; } @@ -707,16 +706,15 @@ static int fsg_lun_open(struct fsg_lun *curlun, const char *filename) goto out; } - get_file(filp); curlun->ro = ro; curlun->filp = filp; curlun->file_length = size; curlun->num_sectors = num_sectors; LDBG(curlun, "open backing file: %s\n", filename); - rc = 0; + return 0; out: - filp_close(filp, current->files); + fput(filp); return rc; } |