diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/staging/zram/zram_drv.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/staging/zram/zram_drv.c b/drivers/staging/zram/zram_drv.c index d0e9e0207539..4bd8cbdaee76 100644 --- a/drivers/staging/zram/zram_drv.c +++ b/drivers/staging/zram/zram_drv.c @@ -227,6 +227,7 @@ static int zram_read(struct zram *zram, struct bio *bio) if (zram_test_flag(zram, index, ZRAM_ZERO)) { handle_zero_page(page); + index++; continue; } @@ -235,12 +236,14 @@ static int zram_read(struct zram *zram, struct bio *bio) pr_debug("Read before write: sector=%lu, size=%u", (ulong)(bio->bi_sector), bio->bi_size); /* Do nothing */ + index++; continue; } /* Page is stored uncompressed since it's incompressible */ if (unlikely(zram_test_flag(zram, index, ZRAM_UNCOMPRESSED))) { handle_uncompressed_page(zram, page, index); + index++; continue; } @@ -320,6 +323,7 @@ static int zram_write(struct zram *zram, struct bio *bio) mutex_unlock(&zram->lock); zram_stat_inc(&zram->stats.pages_zero); zram_set_flag(zram, index, ZRAM_ZERO); + index++; continue; } @@ -527,7 +531,7 @@ int zram_init_device(struct zram *zram) } num_pages = zram->disksize >> PAGE_SHIFT; - zram->table = vmalloc(num_pages * sizeof(*zram->table)); + zram->table = vzalloc(num_pages * sizeof(*zram->table)); if (!zram->table) { pr_err("Error allocating zram address table\n"); /* To prevent accessing table entries during cleanup */ @@ -535,7 +539,6 @@ int zram_init_device(struct zram *zram) ret = -ENOMEM; goto fail; } - memset(zram->table, 0, num_pages * sizeof(*zram->table)); set_capacity(zram->disk, zram->disksize >> SECTOR_SHIFT); |