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[3.10,121/139] staging:iio:resolver:ad2s1210 fix negative IIO_ANGL_VEL read

Message ID 1509571624-5001-22-git-send-email-w@1wt.eu
State New
Headers show
Series None | expand

Commit Message

Willy Tarreau Nov. 1, 2017, 9:26 p.m. UTC 
From: Arnd Bergmann <arnd@arndb.de>


commit 105967ad68d2eb1a041bc041f9cf96af2a653b65 upstream.

gcc-7 points out an older regression:

drivers/staging/iio/resolver/ad2s1210.c: In function 'ad2s1210_read_raw':
drivers/staging/iio/resolver/ad2s1210.c:515:42: error: '<<' in boolean context, did you mean '<' ? [-Werror=int-in-bool-context]

The original code had 'unsigned short' here, but incorrectly got
converted to 'bool'. This reverts the regression and uses a normal
type instead.

Fixes: 29148543c521 ("staging:iio:resolver:ad2s1210 minimal chan spec conversion.")
Cc: stable@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Signed-off-by: Willy Tarreau <w@1wt.eu>

---
 drivers/staging/iio/resolver/ad2s1210.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

-- 
2.8.0.rc2.1.gbe9624a
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Patch

diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c
index 0d3356d..3c0b16f 100644
--- a/drivers/staging/iio/resolver/ad2s1210.c
+++ b/drivers/staging/iio/resolver/ad2s1210.c
@@ -477,7 +477,7 @@  static int ad2s1210_read_raw(struct iio_dev *indio_dev,
 			     long m)
 {
 	struct ad2s1210_state *st = iio_priv(indio_dev);
-	bool negative;
+	u16 negative;
 	int ret = 0;
 	u16 pos;
 	s16 vel;