16 lines
526 B
Diff
16 lines
526 B
Diff
https://bugs.launchpad.net/hplip/+bug/1672256
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memcpy should never be used with overlapping memory regions
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--- a/io/hpmud/musb.c
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+++ b/io/hpmud/musb.c
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@@ -775,7 +775,7 @@ static int device_id(int fd, unsigned ch
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len = size-1; /* leave byte for zero termination */
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if (len > 2)
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len -= 2;
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- memcpy(buffer, buffer+2, len); /* remove length */
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+ memmove(buffer, buffer+2, len); /* remove length */
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buffer[len]=0;
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DBG("read actual device_id successfully fd=%d len=%d\n", fd, len);
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