Should I change my implementation, i.e. remove '!!'? On Thu, May 11, 2017 at 10:09 AM, Joe Perches <joe@xxxxxxxxxxx> wrote: > On Thu, 2017-05-11 at 09:57 +0530, Pushkar Jambhlekar wrote: >> Fixing Sparse warning. It should return bool, instead it returns >> int. > [] >> diff --git a/fs/read_write.c b/fs/read_write.c > [] >> @@ -33,9 +33,9 @@ const struct file_operations generic_ro_fops = { >> >> EXPORT_SYMBOL(generic_ro_fops); >> >> -static inline int unsigned_offsets(struct file *file) >> +static inline bool unsigned_offsets(struct file *file) >> { >> - return file->f_mode & FMODE_UNSIGNED_OFFSET; >> + return !!(file->f_mode & FMODE_UNSIGNED_OFFSET); > > trivia: the !! isn't necessary as by definition > all non-zero assigns to bool are converted to 1. > -- Jambhlekar Pushkar Arun