scsi: target: spc: Fix loop traversal in spc_rsoc_get_descr()

[ Upstream commit 04ad06e4 ]

Stop traversing after finding the appropriate descriptor.

Signed-off-by: Chaohai Chen <wdhh66@163.com>
Link: https://lore.kernel.org/r/20250124085542.109088-1-wdhh66@163.com


Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>