Author: Julia Lawall <julia@diku.dk> Use ERR_PTR and IS_ERR rather than mixing integers and pointers. The semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // @@ expression *E; @@ * E < 0 // Signed-off-by: Julia Lawall Acked-by: David Brownell Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/f_audio.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 …