[PATCH 4.9 46/77] scsi: storvsc: fix memory leak on ring buffer busy

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Long Li commit 0208eeaa650c5c866a3242201678a19e6dc4a14e upstream. When storvsc is sending I/O to Hyper-v, it may allocate a bigger buffer descriptor for large data

[PATCH 4.9 46/77] scsi: storvsc: fix memory leak on ring buffer busy

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Long Li commit 0208eeaa650c5c866a3242201678a19e6dc4a14e upstream. When storvsc is sending I/O to Hyper-v, it may allocate a bigger buffer descriptor for large data payload that can't fit into