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authorGustavo A. R. Silva <gustavo@embeddedor.com>2019-02-13 00:31:26 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-02-13 21:45:57 +0300
commitca5dc2d11787d72dd11f5af77ef07a93a293bea6 (patch)
tree5cecf91a4d59fe0afa5279c25028d3f9451fcec8 /drivers/char
parent1aec4211204d9463d1fd209eb50453de16254599 (diff)
downloadlinux-ca5dc2d11787d72dd11f5af77ef07a93a293bea6.tar.xz
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.c4
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;