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HID: cp2112: fix incorrect error propagation in cp2112_xfer()

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Both cp2112_read_req() and cp2112_write_req() are returning negative
value in cases of error, but cp2112_xfer() is storing the return
value into unsigned size_t-typed 'count'.

Fix this by making 'count' signed type.

Reported-by: fengguang.wu@intel.com
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Jiri Kosina 2014-02-18 09:43:53 +01:00
parent a47dc4d8cf
commit 0438ee7080
1 changed files with 1 additions and 1 deletions
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2
drivers/hid/hid-cp2112.c
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@ -428,7 +428,7 @@ static int cp2112_xfer(struct i2c_adapter *adap, u16 addr,
struct hid_device *hdev = dev->hdev;
u8 buf[64];
__be16 word;
size_t count;
ssize_t count;
size_t read_length = 0;
unsigned int retries;
int ret;