Nathan, > When building with -Wsometimes-uninitialized, Clang warns: > > drivers/scsi/gdth.c:3662:6: warning: variable 'paddr' is used > uninitialized whenever 'if' condition is false > [-Wsometimes-uninitialized] > > Don't attempt to call dma_free_coherent when buf is NULL (meaning that > we never called dma_alloc_coherent and initialized paddr), which avoids > this warning. Applied to 5.2/scsi-queue, thanks. -- Martin K. Petersen Oracle Linux Engineering