[PATCH 1/1] scsi: 3w-sas: set errno on failures

From: Pan Bian On some error paths (e.g. pci_iomap() returns a NULL pointer), the value of return variable retval is 0. 0 means no error. This patch fixes the bug, set retval with negative errno on error paths. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=189001

[PATCH 1/1] scsi: 3w-sas: set errno on failures

From: Pan Bian On some error paths (e.g. pci_iomap() returns a NULL pointer), the value of return variable retval is 0. 0 means no error. This patch fixes the bug, set retval with negative errno on error paths. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=189001 Signed-off-by: Pan