[PATCH XENSTORE v1 07/10] xenstore: handle do_mkdir and do_rm failure

[Ian Jackson <iwj@xxxxxxxxxxxxxx>]

Norbert Manthey writes ("[PATCH XENSTORE v1 07/10] xenstore: handle do_mkdir 
and do_rm failure"):
> In the out of memory case, we might return a NULL pointer when
> canonicalizing node names. This NULL pointer is not checked when
> creating a directory, or when removing a node. This change handles
> the NULL pointer for these two cases.
> 
> This bug was discovered and resolved using Coverity Static Analysis
> Security Testing (SAST) by Synopsys, Inc.
> 
> Signed-off-by: Norbert Manthey <nmanthey@xxxxxxxxx>
> Reviewed-by: Thomas Friebel <friebelt@xxxxxxxxx>
> Reviewed-by: Julien Grall <jgrall@xxxxxxxxxxxx>

Release-Acked-by: Ian Jackson <iwj@xxxxxxxxxxxxxx>