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tools: kwboot: Fix wrong parameter passed to read()

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The 'buf' variable is a pointer and '_buf' is the array itself.
Therefore we should pass sizeof(_buf) instead of sizeof(buf) to read().

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
Reviewed-by: Chris Packham <judge.packham@gmail.com>
Tested-by: Chris Packham <judge.packham@gmail.com>
This commit is contained in:
Pali Rohár 2021-07-23 11:14:17 +02:00 committed by Stefan Roese
parent 19a81bdb3e
commit 43fef8d4fe
1 changed files with 1 additions and 1 deletions
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tools/kwboot.c
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@ -465,7 +465,7 @@ kwboot_term_pipe(int in, int out, char *quit, int *s)
ssize_t nin, nout; ssize_t nin, nout;
char _buf[128], *buf = _buf; char _buf[128], *buf = _buf;
nin = read(in, buf, sizeof(buf)); nin = read(in, buf, sizeof(_buf));
if (nin <= 0) if (nin <= 0)
return -1; return -1;