checkpatch: fix 'return is not a function' square bracket handling
We are incorrectly matching square brackets '[' and ']' leading to false positives on more complex functions as below: return (dt3155_fbuffer[m]->ready_head - dt3155_fbuffer[m]->ready_len + dt3155_fbuffer[m]->nbuffers)% (dt3155_fbuffer[m]->nbuffers); Signed-off-by: Andy Whitcroft <apw@canonical.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -2609,7 +2609,7 @@ sub process {
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# Flatten any parentheses
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$value =~ s/\(/ \(/g;
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$value =~ s/\)/\) /g;
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while ($value =~ s/\[[^\{\}]*\]/1/ ||
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while ($value =~ s/\[[^\[\]]*\]/1/ ||
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$value !~ /(?:$Ident|-?$Constant)\s*
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$Compare\s*
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(?:$Ident|-?$Constant)/x &&
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