gpu: ion: Remove extra iova free call
gpu: ion: Remove extra iova free call

IOMMU virtual address (iova) is allocated locally in IOMMU mapping
functions per heap type. When an error happens the iova's are
freed in the same function as it was allocated. However, there
is an extra free call in the ion wrapper function that calls
these IOMMU mapping functions.

Remove the extra iova free call which can cause kernel panic.

Change-Id: Ic8978cf05202b29a42da7374e2c8c1e590b2d2a8
Signed-off-by: Olav Haugan <fbf4ddd114d5f0aa83cb721b7dacab8a264ccf22@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