mtd: define `mtd_is_*()' functions

These functions can be used instead of referencing -EUCLEAN and -EBADMSG
all over the place. They should help make code a little bit more
readable.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>

diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 37d082793f62d6675e61ef184b6da7408b1158d3..4bce1eb952cfeb8f1a3aae443fc1e0e5b32b5629 100644 (file)
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -348,4 +348,16 @@ void *mtd_kmalloc_up_to(const struct mtd_info *mtd, size_t *size);
 
 void mtd_erase_callback(struct erase_info *instr);
 
+static inline int mtd_is_bitflip(int err) {
+       return err == -EUCLEAN;
+}
+
+static inline int mtd_is_eccerr(int err) {
+       return err == -EBADMSG;
+}
+
+static inline int mtd_is_bitflip_or_eccerr(int err) {
+       return mtd_is_bitflip(err) || mtd_is_eccerr(err);
+}
+
 #endif /* __MTD_MTD_H__ */