On 2012-06-09 12:11:29, Dan Carpenter wrote:
> The intent here is to handle read only opens differently. For example,
> if we don't want to create the file if it doesn't exist. The problem
> here is that O_RDONLY is 0 and if (x & 0) {... is always false.
>
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Thanks, Dan! I committed a slightly different fix with more context in
the commit message (because I had to remind myself what was going on
with that conditional in the first place).
http://git.kernel.org/?p=linux/kernel/git/tyhicks/ecryptfs.git;a=commitdiff;h=91425d9b57c024bf8b28055b6a480809fe0941ee
Tyler
> ---
> This is a static checker bug, and I am not very familiar with eCryptfs.
> Please review carefully.
>
> diff --git a/fs/ecryptfs/kthread.c b/fs/ecryptfs/kthread.c
> index 69f994a..d01b364 100644
> --- a/fs/ecryptfs/kthread.c
> +++ b/fs/ecryptfs/kthread.c
> @@ -149,7 +149,7 @@ int ecryptfs_privileged_open(struct file **lower_file,
> (*lower_file) = dentry_open(lower_dentry, lower_mnt, flags, cred);
> if (!IS_ERR(*lower_file))
> goto out;
> - if (flags & O_RDONLY) {
> + if (!(flags & O_RDWR)) {
> rc = PTR_ERR((*lower_file));
> goto out;
> }
> --
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