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ARC: unwind: Mark expected switch fall-throughs

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Mark switch cases where we are expecting to fall through.

This patch fixes the following warnings (Building: haps_hs_defconfig arc):

arch/arc/kernel/unwind.c:827:20: warning: this statement may fall through [-Wimplicit-fallthrough=]
arch/arc/kernel/unwind.c:836:20: warning: this statement may fall through [-Wimplicit-fallthrough=]

Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
Gustavo A. R. Silva 2019-08-05 14:32:32 -05:00 committed by Vineet Gupta
parent ce0eff0d9b
commit e86d94fdda
1 changed files with 2 additions and 2 deletions
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4
arch/arc/kernel/unwind.c
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@ -826,7 +826,7 @@ static int processCFI(const u8 *start, const u8 *end, unsigned long targetLoc,
case DW_CFA_def_cfa:
state->cfa.reg = get_uleb128(&ptr.p8, end);
unw_debug("cfa_def_cfa: r%lu ", state->cfa.reg);
/*nobreak*/
/* fall through */
case DW_CFA_def_cfa_offset:
state->cfa.offs = get_uleb128(&ptr.p8, end);
unw_debug("cfa_def_cfa_offset: 0x%lx ",
@ -834,7 +834,7 @@ static int processCFI(const u8 *start, const u8 *end, unsigned long targetLoc,
break;
case DW_CFA_def_cfa_sf:
state->cfa.reg = get_uleb128(&ptr.p8, end);
/*nobreak */
/* fall through */
case DW_CFA_def_cfa_offset_sf:
state->cfa.offs = get_sleb128(&ptr.p8, end)
* state->dataAlign;