[PPP]: Don't leak an sk_buff on interface destruction.
[PPP]: Don't leak an sk_buff on interface destruction.

Signed-off-by: G. Liakhovetski <5644a3f6d24dcd489c4300bdf0bee118eb558724@dsa-ac.de>
Acked-by: Paul Mackerras <19a0ba370c443ba08d20b5061586430ab449ee8c@samba.org>
Signed-off-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas