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

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>
Pali Rohár 2 년 전
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  1. 1 1
      tools/kwboot.c

+ 1 - 1
tools/kwboot.c

@@ -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;