[SCSI] ibmvscsi: Correct DMA mapping leak
[SCSI] ibmvscsi: Correct DMA mapping leak

The ibmvscsi client driver is not unmapping the SCSI command after
encountering a DMA mapping error while trying to map an indirect
scattergather list for the event pool.  This leads to a leak of DMA
entitlement that could result in the device failing future DMA operations
in a CMO environment.

Signed-off-by: Robert Jennings <3915fb8377205924ccc3120e302501c7a259dd7e@linux.vnet.ibm.com>
Acked-by: Brian King <bf668d4b220231d97fe248d4ae0ba63a1d887e4c@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <407b36959ca09543ccda8f8e06721c791bc53435@HansenPartnership.com>

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