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linux/drivers/rtc/rtc-hym8563.c
Kangjie Lu 9a20b5e35a rtc: hym8563: fix a missing check of block data read 
When i2c_smbus_read_i2c_block_data() fails, the read data in "buf" could
be incorrect and should not be used. The fix checks if
i2c_smbus_read_i2c_block_data fails, and if so, return its error code
upstream.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2019-01-22 19:03:43 +01:00

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