kallsyms: fix potential overflow in binary search
This will probably never trigger... but it won't hurt to be careful. http://googleresearch.blogspot.com/2006/06/extra-extra-read-all-about-it-nearly.html Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com> Cc: Joshua Bloch <jjb@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -176,7 +176,7 @@ static unsigned long get_symbol_pos(unsigned long addr,
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high = kallsyms_num_syms;
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while (high - low > 1) {
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mid = (low + high) / 2;
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mid = low + (high - low) / 2;
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if (kallsyms_addresses[mid] <= addr)
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low = mid;
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else
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