MIPS: Fix fall-through warnings for Clang

Fix the following fallthrough warnings:

arch/mips/mm/tlbex.c:1386:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough]
arch/mips/mm/tlbex.c:2173:3: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]

Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/lkml/60edca25.k00ut905IFBjPyt5%25lkp@intel.com/
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>

diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index cd4afcdf3725505699acf0d18f2071577b390a4c..9adad24c2e65e55f8ecd4bc6c24f0c8560efbd89 100644 (file)
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -1383,6 +1383,7 @@ static void build_r4000_tlb_refill_handler(void)
        switch (boot_cpu_type()) {
        default:
                if (sizeof(long) == 4) {
+               fallthrough;
        case CPU_LOONGSON2EF:
                /* Loongson2 ebase is different than r4k, we have more space */
                        if ((p - tlb_handler) > 64)
@@ -2169,6 +2170,7 @@ static void build_r4000_tlb_load_handler(void)
                default:
                        if (cpu_has_mips_r2_exec_hazard) {
                                uasm_i_ehb(&p);
+                       fallthrough;
 
                case CPU_CAVIUM_OCTEON:
                case CPU_CAVIUM_OCTEON_PLUS: