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| author |   Gustavo A. R. Silva <gustavo@embeddedor.com> | 2019-02-12 15:31:26 -0600 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-02-13 19:45:57 +0100 |
| commit | ca5dc2d11787d72dd11f5af77ef07a93a293bea6 (patch) | |
| tree | 5cecf91a4d59fe0afa5279c25028d3f9451fcec8 /drivers/char | |
| parent | parport: daisy: use new parport device model (diff) | |
| download | linux-dev-ca5dc2d11787d72dd11f5af77ef07a93a293bea6.tar.xz linux-dev-ca5dc2d11787d72dd11f5af77ef07a93a293bea6.zip | |
char: lp: mark expected switch fall-through
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>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/lp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/char/lp.c b/drivers/char/lp.c index 5c8d780637bd..3406852f67ff 100644 --- a/drivers/char/lp.c +++ b/drivers/char/lp.c @@ -729,7 +729,7 @@ static long lp_ioctl(struct file *file, unsigned int cmd, ret = lp_set_timeout32(minor, (void __user *)arg); break; } - /* fallthrough for 64-bit */ + /* fall through - for 64-bit */ case LPSETTIMEOUT_NEW: ret = lp_set_timeout64(minor, (void __user *)arg); break; @@ -757,7 +757,7 @@ static long lp_compat_ioctl(struct file *file, unsigned int cmd, ret = lp_set_timeout32(minor, (void __user *)arg); break; } - /* fallthrough for x32 mode */ + /* fall through - for x32 mode */ case LPSETTIMEOUT_NEW: ret = lp_set_timeout64(minor, (void __user *)arg); break; |