[SLIP]: Remove redundant NULL pointer checks prior to kfree
[SLIP]: Remove redundant NULL pointer checks prior to kfree

Signed-off-by: Jesper Juhl <72d6859b6eefdfab3e7d32be3eacef16cb406942@dif.dk>
Signed-off-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>

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