msm: msm_bus: Fix memory leak during RPM transaction
msm: msm_bus: Fix memory leak during RPM transaction

This is a serious bug that eventually cripples the system due to
lost memory.

CRs-Fixed: 442381
Change-Id: If4d33b35475a33b1602a1d923031345b47af963e
Signed-off-by: Michael Bohan <03c7ab1ecfdb127a25ce2b4e2919a11a14c36b4f@codeaurora.org>

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