I could not find the patch in Linus's tree at https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/fs/c... or in the commit list. The patch is in linux-next, commit https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?...
On 10/18/20, 1:56 AM, "Greg KH" gregkh@linuxfoundation.org wrote:
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On Sat, Oct 17, 2020 at 03:28:39PM +0000, Boris Protopopov wrote: > When converting trailing spaces and periods in paths, do so > for every component of the path, not just the last component. > If the conversion is not done for every path component, then > subsequent operations in directories with trailing spaces or > periods (e.g. create(), mkdir()) will fail with ENOENT. This > is because on the server, the directory will have a special > symbol in its name, and the client needs to provide the same. > > Cc: stable@vger.kernel.org # 4.9.x-5.8.x > Signed-off-by: Boris Protopopov pboris@amazon.com > --- > fs/cifs/cifs_unicode.c | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) > > diff --git a/fs/cifs/cifs_unicode.c b/fs/cifs/cifs_unicode.c > index 498777d859eb..9bd03a231032 100644 > --- a/fs/cifs/cifs_unicode.c > +++ b/fs/cifs/cifs_unicode.c > @@ -488,7 +488,13 @@ cifsConvertToUTF16(__le16 *target, const char *source, int srclen, > else if (map_chars == SFM_MAP_UNI_RSVD) { > bool end_of_string; > > - if (i == srclen - 1) > + /** > + * Remap spaces and periods found at the end of every > + * component of the path. The special cases of '.' and > + * '..' do not need to be dealt with explicitly because > + * they are addressed in namei.c:link_path_walk(). > + **/ > + if ((i == srclen - 1) || (source[i+1] == '\')) > end_of_string = true; > else > end_of_string = false; > -- > 2.18.4 >
What is the git commit id of this in Linus's tree?
thanks,
greg k-h