From 7911ae25ba666ead539f0c5136f19515f631db8a Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 26 Feb 2008 20:43:56 +0000 Subject: em28xx: Correct use of ! and & From: Julia Lawall In commit e6bafba5b4765a5a252f1b8d31cbf6d2459da337, a bug was fixed that involved converting !x & y to !(x & y). The code below shows the same pattern, and thus should perhaps be fixed in the same way. This is not tested and clearly changes the semantics, so it is only something to consider. The semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // @@ expression E1,E2; @@ ( !E1 & !E2 | - !E1 & E2 + !(E1 & E2) ) // Signed-off-by: Julia Lawall Signed-off-by: Mauro Carvalho Chehab --- linux/drivers/media/video/em28xx/em28xx-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'linux/drivers/media') diff --git a/linux/drivers/media/video/em28xx/em28xx-core.c b/linux/drivers/media/video/em28xx/em28xx-core.c index a77cb8099..844ab9f77 100644 --- a/linux/drivers/media/video/em28xx/em28xx-core.c +++ b/linux/drivers/media/video/em28xx/em28xx-core.c @@ -318,7 +318,7 @@ static int em28xx_write_ac97(struct em28xx *dev, u8 reg, u8 *val) for (i = 0; i < 10; i++) { if ((ret = em28xx_read_reg(dev, AC97BUSY_REG)) < 0) return ret; - if (!((u8) ret) & 0x01) + if (!(((u8)ret) & 0x01)) return 0; msleep(5); } -- cgit v1.2.3