diff options
Diffstat (limited to 'drivers/mtd/ubi/io.c')
| -rw-r--r-- | drivers/mtd/ubi/io.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c index aaa6e1e83b2..e347cc4388e 100644 --- a/drivers/mtd/ubi/io.c +++ b/drivers/mtd/ubi/io.c @@ -344,6 +344,12 @@ static int do_sync_erase(struct ubi_device *ubi, int pnum) wait_queue_head_t wq; dbg_io("erase PEB %d", pnum); + ubi_assert(pnum >= 0 && pnum < ubi->peb_count); + + if (ubi->ro_mode) { + ubi_err("read-only mode"); + return -EROFS; + } retry: init_waitqueue_head(&wq); @@ -390,7 +396,7 @@ retry: if (err) return err; - if (ubi_dbg_is_erase_failure() && !err) { + if (ubi_dbg_is_erase_failure()) { dbg_err("cannot erase PEB %d (emulated)", pnum); return -EIO; } @@ -1345,7 +1351,7 @@ int ubi_dbg_check_write(struct ubi_device *ubi, const void *buf, int pnum, if (!(ubi_chk_flags & UBI_CHK_IO)) return 0; - buf1 = __vmalloc(len, GFP_KERNEL | GFP_NOFS, PAGE_KERNEL); + buf1 = __vmalloc(len, GFP_NOFS, PAGE_KERNEL); if (!buf1) { ubi_err("cannot allocate memory to check writes"); return 0; @@ -1409,7 +1415,7 @@ int ubi_dbg_check_all_ff(struct ubi_device *ubi, int pnum, int offset, int len) if (!(ubi_chk_flags & UBI_CHK_IO)) return 0; - buf = __vmalloc(len, GFP_KERNEL | GFP_NOFS, PAGE_KERNEL); + buf = __vmalloc(len, GFP_NOFS, PAGE_KERNEL); if (!buf) { ubi_err("cannot allocate memory to check for 0xFFs"); return 0; |