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More fallthrough fixes for Clang for 5.14-rc1

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Hi Linus,
 
 Please, pull the following patches that fix many fall-through warnings
 when building with Clang 12.0.0 and this[1] change reverted. Notice
 that in order to enable -Wimplicit-fallthrough for Clang, such change[1]
 is meant to be reverted at some point. So, these patches help to move
 in that direction.
 
 Thanks!
 
 [1] commit e2079e93f5 ("kbuild: Do not enable -Wimplicit-fallthrough for clang for now")
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Merge tag 'Wimplicit-fallthrough-clang-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux

Pull more fallthrough fixes from Gustavo Silva:
 "Fix maore fall-through warnings when building the kernel with clang
  and '-Wimplicit-fallthrough'"

* tag 'Wimplicit-fallthrough-clang-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux:
  Input: Fix fall-through warning for Clang
  scsi: aic94xx: Fix fall-through warning for Clang
  i3c: master: cdns: Fix fall-through warning for Clang
  net/mlx4: Fix fall-through warning for Clang
This commit is contained in:
Linus Torvalds 2021-07-07 11:03:04 -07:00
commit 383df634f1
4 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/i3c/master/i3c-master-cdns.c
View File

@ -1379,6 +1379,8 @@ static void cnds_i3c_master_demux_ibis(struct cdns_i3c_master *master)
case IBIR_TYPE_MR:
WARN_ON(IBIR_XFER_BYTES(ibir) || (ibir & IBIR_ERROR));
break;
default:
break;
}

1
drivers/input/joystick/sidewinder.c
View File

@ -660,6 +660,7 @@ static int sw_connect(struct gameport *gameport, struct gameport_driver *drv)
fallthrough;
case 45: /* Ambiguous packet length */
if (j <= 40) { /* ID length less or eq 40 -> FSP */
fallthrough;
case 43:
sw->type = SW_ID_FSP;
break;

1
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
View File

@ -2660,6 +2660,7 @@ int mlx4_FREE_RES_wrapper(struct mlx4_dev *dev, int slave,
case RES_XRCD:
err = xrcdn_free_res(dev, slave, vhcr->op_modifier, alop,
vhcr->in_param, &vhcr->out_param);
break;
default:
break;

4
drivers/scsi/aic94xx/aic94xx_sds.c
View File

@ -718,10 +718,12 @@ static void *asd_find_ll_by_id(void * const start, const u8 id0, const u8 id1)
do {
switch (id1) {
default:
if (el->id1 == id1)
if (el->id1 == id1) {
fallthrough;
case 0xFF:
if (el->id0 == id0)
return el;
}
}
el = start + le16_to_cpu(el->next);
} while (el != start);