* Potential uninitialized variables in rtc: ds1343
@ 2019-10-10 0:36 Yizhuo Zhai
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From: Yizhuo Zhai @ 2019-10-10 0:36 UTC (permalink / raw)
To: Alessandro Zummo, Alexandre Belloni, linux-rtc, linux-kernel,
Zhiyun Qian, Chengyu Song
Hi All:
drivers/rtc/rtc-ds1343.c:
Inside function ds1343_show_glitchfilter(), variable "data" could be
uninitialized if regmap_read() returns -EINVAL. However,"data"
is used later in the if statement, which is potentially unsafe. Patch
for this case is hard since the return value -EINVAL is unacceptable
for ds1343_show_glitchfilter().
--
Kind Regards,
Yizhuo Zhai
Computer Science, Graduate Student
University of California, Riverside
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