Author: Himangi Saraogi <himangi774@gmail.com> This patch introduces the use of the macro IS_ERR_OR_NULL in place of tests for NULL and IS_ERR. The following Coccinelle semantic patch was used for making the change: @@ expression e; @@ – e == NULL || IS_ERR(e) + IS_ERR_OR_NULL(e) || … Signed-off-by: Himangi Saraogi Acked-by: Julia Lawall Acked-by: Pravin B …