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(parent: c2fd286) | patch
rtc: hym8563: fix a missing check of block data read
authorKangjie Lu <kjlu@umn.edu>
Wed, 26 Dec 2018 03:09:11 +0000 (21:09 -0600)
committerAlexandre Belloni <alexandre.belloni@bootlin.com>
Tue, 22 Jan 2019 18:03:43 +0000 (19:03 +0100)
commit1128aad51e083028c99904e92ef3c19e58f64af8
tree2e9c4093c1e645bb9784df16383f292cac1ab43btree | snapshot
parentc2fd2860c1eaf0150633a74d4b1a072f12f6cd85commit | diff
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>
drivers/rtc/rtc-hym8563.c diff | blob | history
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