RDMA: Add error handling to ib_core_init()
RDMA: Add error handling to ib_core_init()

Fail RDMA midlayer initialization if sysfs setup fails.

Signed-off-by: Nir Muchtar <6f183dfe40c30c1c840ef4ecbfc6acc98717ef12@voltaire.com>
Signed-off-by: Roland Dreier <0d270388f2f92757a5de0f4bd891d3b392c44c4f@purestorage.com>

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