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author | Ivan Bornyakov <brnkv.i1@gmail.com> | 2018-05-25 20:49:52 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-08 15:30:52 +0200 |
commit | d20dcd2f11357f2b0f52a243e4737c129240475d (patch) | |
tree | c6c73f5ea0b9e88c7639a8b5ab0ab86b08a74ce5 /drivers/atm | |
parent | 3ee6bd9411a60f90b5adeea5440cbac302c3e9d0 (diff) | |
download | linux-stable-d20dcd2f11357f2b0f52a243e4737c129240475d.tar.gz linux-stable-d20dcd2f11357f2b0f52a243e4737c129240475d.tar.bz2 linux-stable-d20dcd2f11357f2b0f52a243e4737c129240475d.zip |
atm: zatm: fix memcmp casting
[ Upstream commit f9c6442a8f0b1dde9e755eb4ff6fa22bcce4eabc ]
memcmp() returns int, but eprom_try_esi() cast it to unsigned char. One
can lose significant bits and get 0 from non-0 value returned by the
memcmp().
Signed-off-by: Ivan Bornyakov <brnkv.i1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/atm')
-rw-r--r-- | drivers/atm/zatm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/atm/zatm.c b/drivers/atm/zatm.c index 9c9a22958717..a8d2eb0ceb8d 100644 --- a/drivers/atm/zatm.c +++ b/drivers/atm/zatm.c @@ -1151,8 +1151,8 @@ static void eprom_get_byte(struct zatm_dev *zatm_dev, unsigned char *byte, } -static unsigned char eprom_try_esi(struct atm_dev *dev, unsigned short cmd, - int offset, int swap) +static int eprom_try_esi(struct atm_dev *dev, unsigned short cmd, int offset, + int swap) { unsigned char buf[ZEPROM_SIZE]; struct zatm_dev *zatm_dev; |