[PATCH AUTOSEL for 4.15 41/78] IB/ipoib: Avoid memory leak if the SA returns a different DGID

From: Erez Shitrit [ Upstream commit 439000892ee17a9c92f1e4297818790ef8bb4ced ] The ipoib path database is organized around DGIDs from the LLADDR, but the SA is free to return a different GID when asked for path. This causes a bug because the SA's modified DGID is copied

[PATCH AUTOSEL for 4.15 41/78] IB/ipoib: Avoid memory leak if the SA returns a different DGID

From: Erez Shitrit [ Upstream commit 439000892ee17a9c92f1e4297818790ef8bb4ced ] The ipoib path database is organized around DGIDs from the LLADDR, but the SA is free to return a different GID when asked for path. This causes a bug because the SA's modified DGID is copied into the database key,