The switch case statement has a default branch. Thus, the return statement at the end of the function can never be reached. Fix it by removing the return statement at the end of the function. The intel bluetooth module was successfully built after the change without any errors. This issue was reported by Coverity Scan. https://scan7.scan.coverity.com/#/project-view/51525/11354?selectedIssue=1600709 Fixes: 5ea625845b0f ("Bluetooth: btintel_pcie: Add handshake between driver and firmware") Signed-off-by: Everest K.C. <everestkc@xxxxxxxxxxxxxxxx> --- V1 -> V2: - Changed "Fixing" to "Fix" in the changelog - Added that the change was successfully built - Added kernel-janitors mailing list to CC drivers/bluetooth/btintel_pcie.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/bluetooth/btintel_pcie.c b/drivers/bluetooth/btintel_pcie.c index e4ae8c898dfd..660496e55276 100644 --- a/drivers/bluetooth/btintel_pcie.c +++ b/drivers/bluetooth/btintel_pcie.c @@ -391,7 +391,6 @@ static inline char *btintel_pcie_alivectxt_state2str(u32 alive_intr_ctxt) default: return "unknown"; } - return "null"; } /* This function handles the MSI-X interrupt for gp0 cause (bit 0 in -- 2.43.0