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i3c: master: svc: Fix implicit fallthrough in svc_i3c_master_ibi_work()

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Clang warns (or errors with CONFIG_WERROR=y):

  drivers/i3c/master/svc-i3c-master.c:596:2: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough]
    596 |         default:
        |         ^
  drivers/i3c/master/svc-i3c-master.c:596:2: note: insert 'break;' to avoid fall-through
    596 |         default:
        |         ^
        |         break;
  1 error generated.

Clang is a little more pedantic than GCC, which does not warn when
falling through to a case that is just break or return. Clang's version
is more in line with the kernel's own stance in deprecated.rst, which
states that all switch/case blocks must end in either break,
fallthrough, continue, goto, or return. Add the missing break to silence
the warning.

Fixes: 0430bf9bc1ac ("i3c: master: svc: Fix missing STOP for master request")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20250319-i3c-fix-clang-fallthrough-v1-1-d8e02be1ef5c@kernel.org
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Nathan Chancellor 2025-03-19 09:08:01 -07:00 committed by Alexandre Belloni
parent 0430bf9bc1
commit e8d2d287e2
1 changed files with 1 additions and 0 deletions
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drivers/i3c/master/svc-i3c-master.c
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@ -593,6 +593,7 @@ static void svc_i3c_master_ibi_work(struct work_struct *work)
break;
case SVC_I3C_MSTATUS_IBITYPE_MASTER_REQUEST:
svc_i3c_master_emit_stop(master);
break;
default:
break;
}