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Merge pull request #2445 from misonyo/patch-1

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[components/shell] shell will not work if ch is none zero as random value in stack
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Bernard Xiong 2019-03-14 09:03:58 +08:00 committed by GitHub
commit 8c230ba16a
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components/finsh/shell.c
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@ -139,7 +139,7 @@ static int finsh_getchar(void)
#ifdef RT_USING_POSIX
return getchar();
#else
int ch;
int ch = 0;
RT_ASSERT(shell != RT_NULL);
while (rt_device_read(shell->device, -1, &ch, 1) != 1)