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Dan Carpenter authored
The scnprintf() function silently truncates the printf() and returns the number bytes that it was able to copy (not counting the NUL terminator). Thus, the highest value it can return here is "NAME_SIZE - 1" and the overflow check is dead code. Fix this by using the snprintf() function which returns the number of bytes that would have been copied if there was enough space and changing the condition from "> NAME_SIZE" to ">= NAME_SIZE". Fixes: 92589c98 ("rtc-proc: permit the /proc/driver/rtc device to use other devices") Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/YJov/pcGmhLi2pEl@mwanda
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