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In preparation to enabling -Wimplicit-fallthrough, mark switch
cases where we are expecting to fall through.
This patch fixes the following warnings:
drivers/char/lp.c: In function ‘lp_compat_ioctl’:
drivers/char/lp.c:756:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (!COMPAT_USE_64BIT_TIME) {
^
drivers/char/lp.c:761:2: note: here
case LPSETTIMEOUT_NEW:
^~~~
drivers/char/lp.c: In function ‘lp_ioctl’:
drivers/char/lp.c:728:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (BITS_PER_LONG == 32) {
^
drivers/char/lp.c:733:2: note: here
case LPSETTIMEOUT_NEW:
^~~~
Warning level 3 was used: -Wimplicit-fallthrough=3
Notice that in some cases, the code comment is modified in
accordance with what GCC is expecting to find.
This patch is part of the ongoing efforts to enable
-Wimplicit-fallthrough.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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