iw_cxgb4: Fix an error handling path in 'c4iw_get_dma_mr()'

The error handling path of 'c4iw_get_dma_mr()' does not free resources
in the correct order.
If an error occures, it can leak 'mhp->wr_waitp'.

Fixes: a3f12da0e9 ("iw_cxgb4: allocate wait object for each memory object")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Christophe Jaillet 2018-05-08 07:44:27 +02:00 • committed by Doug Ledford
commit 3d69191086