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authorMasahiro Yamada <yamada.masahiro@socionext.com>2015-07-01 21:35:49 +0900
committerTom Rini <trini@konsulko.com>2015-07-10 09:38:50 -0400
commitf18d11163e4ea523aff489721db5de752fe062bf (patch)
tree894e48e9133c1cbcd5cca0aca7d2beda9e1403df /include
parentfa31377ef0fd1096fbeab9c240582a93c4da9f6d (diff)
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mtd: fix false positive "Offset exceeds device limit" error
Since commit 09c3280754f8 (mtd, nand: Move common functions from cmd_nand.c to common place), NAND commands would not work at all on large devices. => nand read 80000000 10000 10000 NAND read: Offset exceeds device limit => nand erase 100000 100000 NAND erase: Offset exceeds device limit The type of the "size" of "struct mtd_info" is uint64_t, while mtd_arg_off_size() and mtd_arg_off() treat chipsize as int type. The chipsize is wrapped around if the argument is given with 2GB or larger. Acked-by: Heiko Schocher <hs@denx.de> Acked-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/mtd/mtd.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 33669da..552d4d6 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -484,8 +484,9 @@ int add_mtd_partitions(struct mtd_info *, const struct mtd_partition *, int);
int del_mtd_partitions(struct mtd_info *);
int mtd_arg_off(const char *arg, int *idx, loff_t *off, loff_t *size,
- loff_t *maxsize, int devtype, int chipsize);
+ loff_t *maxsize, int devtype, uint64_t chipsize);
int mtd_arg_off_size(int argc, char *const argv[], int *idx, loff_t *off,
- loff_t *size, loff_t *maxsize, int devtype, int chipsize);
+ loff_t *size, loff_t *maxsize, int devtype,
+ uint64_t chipsize);
#endif
#endif /* __MTD_MTD_H__ */