Author: Julia Lawall <julia@diku.dk> Add an unlock before exiting the function. A simplified version of the semantic patch that finds this problem is as follows: (http://coccinelle.lip6.fr/) // @r exists@ expression E1; identifier f; @@ f (…) { } // Signed-off-by: Julia Lawall Acked-by: Stephen Rothwell Signed-off-by: Benjamin Herrenschmidt — arch/powerpc/kernel/vio.c | 4 +++- 1 file …