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-rw-r--r--drivers/mtd/devices/m25p80.c1
-rw-r--r--drivers/mtd/devices/mtd_dataflash.c1
-rw-r--r--drivers/mtd/devices/sst25l.c1
-rw-r--r--drivers/mtd/mtdcore.c3
-rw-r--r--drivers/mtd/ubi/attach.c4
-rw-r--r--drivers/mtd/ubi/cdev.c2
-rw-r--r--drivers/mtd/ubi/eba.c2
-rw-r--r--drivers/mtd/ubi/fastmap-wl.c29
-rw-r--r--drivers/mtd/ubi/fastmap.c4
-rw-r--r--drivers/mtd/ubi/gluebi.c4
-rw-r--r--drivers/mtd/ubi/io.c5
-rw-r--r--drivers/mtd/ubi/ubi-media.h2
-rw-r--r--drivers/mtd/ubi/vtbl.c1
-rw-r--r--drivers/mtd/ubi/wl.c1
14 files changed, 45 insertions, 15 deletions
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index 6dbf7832e77a..f002a8f75374 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -297,7 +297,6 @@ MODULE_DEVICE_TABLE(of, m25p_of_table);
static struct spi_driver m25p80_driver = {
.driver = {
.name = "m25p80",
- .owner = THIS_MODULE,
.of_match_table = m25p_of_table,
},
.id_table = m25p_ids,
diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c
index 0ada3ed6c23f..f9e9bd1cfaa0 100644
--- a/drivers/mtd/devices/mtd_dataflash.c
+++ b/drivers/mtd/devices/mtd_dataflash.c
@@ -909,7 +909,6 @@ static int dataflash_remove(struct spi_device *spi)
static struct spi_driver dataflash_driver = {
.driver = {
.name = "mtd_dataflash",
- .owner = THIS_MODULE,
.of_match_table = of_match_ptr(dataflash_dt_ids),
},
diff --git a/drivers/mtd/devices/sst25l.c b/drivers/mtd/devices/sst25l.c
index 3928014f83ac..5b84d71efb36 100644
--- a/drivers/mtd/devices/sst25l.c
+++ b/drivers/mtd/devices/sst25l.c
@@ -416,7 +416,6 @@ static int sst25l_remove(struct spi_device *spi)
static struct spi_driver sst25l_driver = {
.driver = {
.name = "sst25l",
- .owner = THIS_MODULE,
},
.probe = sst25l_probe,
.remove = sst25l_remove,
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index c393a1155376..62f83b050978 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -1220,8 +1220,7 @@ EXPORT_SYMBOL_GPL(mtd_writev);
*/
void *mtd_kmalloc_up_to(const struct mtd_info *mtd, size_t *size)
{
- gfp_t flags = __GFP_NOWARN | __GFP_WAIT |
- __GFP_NORETRY | __GFP_NO_KSWAPD;
+ gfp_t flags = __GFP_NOWARN | __GFP_DIRECT_RECLAIM | __GFP_NORETRY;
size_t min_alloc = max_t(size_t, mtd->writesize, PAGE_SIZE);
void *kbuf;
diff --git a/drivers/mtd/ubi/attach.c b/drivers/mtd/ubi/attach.c
index 68eea5befaf1..c1aaf0336cf2 100644
--- a/drivers/mtd/ubi/attach.c
+++ b/drivers/mtd/ubi/attach.c
@@ -1209,9 +1209,7 @@ static void destroy_ai(struct ubi_attach_info *ai)
}
}
- if (ai->aeb_slab_cache)
- kmem_cache_destroy(ai->aeb_slab_cache);
-
+ kmem_cache_destroy(ai->aeb_slab_cache);
kfree(ai);
}
diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c
index d16fccf79179..54e056d3be02 100644
--- a/drivers/mtd/ubi/cdev.c
+++ b/drivers/mtd/ubi/cdev.c
@@ -949,7 +949,7 @@ static long ubi_cdev_ioctl(struct file *file, unsigned int cmd,
if (!req) {
err = -ENOMEM;
break;
- };
+ }
err = copy_from_user(req, argp, sizeof(struct ubi_rnvol_req));
if (err) {
diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c
index 51bca035cd83..5b9834cf2820 100644
--- a/drivers/mtd/ubi/eba.c
+++ b/drivers/mtd/ubi/eba.c
@@ -1358,7 +1358,7 @@ int self_check_eba(struct ubi_device *ubi, struct ubi_attach_info *ai_fastmap,
continue;
ubi_err(ubi, "LEB:%i:%i is PEB:%i instead of %i!",
- vol->vol_id, i, fm_eba[i][j],
+ vol->vol_id, j, fm_eba[i][j],
scan_eba[i][j]);
ubi_assert(0);
}
diff --git a/drivers/mtd/ubi/fastmap-wl.c b/drivers/mtd/ubi/fastmap-wl.c
index b2a665398bca..30d3999dddba 100644
--- a/drivers/mtd/ubi/fastmap-wl.c
+++ b/drivers/mtd/ubi/fastmap-wl.c
@@ -172,6 +172,30 @@ void ubi_refill_pools(struct ubi_device *ubi)
}
/**
+ * produce_free_peb - produce a free physical eraseblock.
+ * @ubi: UBI device description object
+ *
+ * This function tries to make a free PEB by means of synchronous execution of
+ * pending works. This may be needed if, for example the background thread is
+ * disabled. Returns zero in case of success and a negative error code in case
+ * of failure.
+ */
+static int produce_free_peb(struct ubi_device *ubi)
+{
+ int err;
+
+ while (!ubi->free.rb_node && ubi->works_count) {
+ dbg_wl("do one work synchronously");
+ err = do_work(ubi);
+
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+/**
* ubi_wl_get_peb - get a physical eraseblock.
* @ubi: UBI device description object
*
@@ -213,6 +237,11 @@ again:
}
retried = 1;
up_read(&ubi->fm_eba_sem);
+ ret = produce_free_peb(ubi);
+ if (ret < 0) {
+ down_read(&ubi->fm_eba_sem);
+ goto out;
+ }
goto again;
}
diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c
index 4aa2fd8633e7..263b439e21a8 100644
--- a/drivers/mtd/ubi/fastmap.c
+++ b/drivers/mtd/ubi/fastmap.c
@@ -450,7 +450,7 @@ static void unmap_peb(struct ubi_attach_info *ai, int pnum)
* < 0 indicates an internal error.
*/
static int scan_pool(struct ubi_device *ubi, struct ubi_attach_info *ai,
- int *pebs, int pool_size, unsigned long long *max_sqnum,
+ __be32 *pebs, int pool_size, unsigned long long *max_sqnum,
struct list_head *free)
{
struct ubi_vid_hdr *vh;
@@ -775,7 +775,7 @@ static int ubi_attach_fastmap(struct ubi_device *ubi,
for (j = 0; j < be32_to_cpu(fm_eba->reserved_pebs); j++) {
int pnum = be32_to_cpu(fm_eba->pnum[j]);
- if ((int)be32_to_cpu(fm_eba->pnum[j]) < 0)
+ if (pnum < 0)
continue;
aeb = NULL;
diff --git a/drivers/mtd/ubi/gluebi.c b/drivers/mtd/ubi/gluebi.c
index b93807b4c459..cb7c075f2144 100644
--- a/drivers/mtd/ubi/gluebi.c
+++ b/drivers/mtd/ubi/gluebi.c
@@ -112,8 +112,8 @@ static int gluebi_get_device(struct mtd_info *mtd)
* The MTD device is already referenced and this is just one
* more reference. MTD allows many users to open the same
* volume simultaneously and do not distinguish between
- * readers/writers/exclusive openers as UBI does. So we do not
- * open the UBI volume again - just increase the reference
+ * readers/writers/exclusive/meta openers as UBI does. So we do
+ * not open the UBI volume again - just increase the reference
* counter and return.
*/
gluebi->refcnt += 1;
diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c
index 5bbd1f094f4e..1fc23e48fe8e 100644
--- a/drivers/mtd/ubi/io.c
+++ b/drivers/mtd/ubi/io.c
@@ -926,6 +926,11 @@ static int validate_vid_hdr(const struct ubi_device *ubi,
goto bad;
}
+ if (data_size > ubi->leb_size) {
+ ubi_err(ubi, "bad data_size");
+ goto bad;
+ }
+
if (vol_type == UBI_VID_STATIC) {
/*
* Although from high-level point of view static volumes may
diff --git a/drivers/mtd/ubi/ubi-media.h b/drivers/mtd/ubi/ubi-media.h
index d0d072e7ccd2..22ed3f627506 100644
--- a/drivers/mtd/ubi/ubi-media.h
+++ b/drivers/mtd/ubi/ubi-media.h
@@ -500,7 +500,7 @@ struct ubi_fm_volhdr {
/* struct ubi_fm_volhdr is followed by one struct ubi_fm_eba records */
/**
- * struct ubi_fm_eba - denotes an association beween a PEB and LEB
+ * struct ubi_fm_eba - denotes an association between a PEB and LEB
* @magic: EBA table magic number
* @reserved_pebs: number of table entries
* @pnum: PEB number of LEB (LEB is the index)
diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c
index 80bdd5b88bac..d85c19762160 100644
--- a/drivers/mtd/ubi/vtbl.c
+++ b/drivers/mtd/ubi/vtbl.c
@@ -649,6 +649,7 @@ static int init_volumes(struct ubi_device *ubi,
if (ubi->corr_peb_count)
ubi_err(ubi, "%d PEBs are corrupted and not used",
ubi->corr_peb_count);
+ return -ENOSPC;
}
ubi->rsvd_pebs += reserved_pebs;
ubi->avail_pebs -= reserved_pebs;
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index 275d9fb6fe5c..eb4489f9082f 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -1601,6 +1601,7 @@ int ubi_wl_init(struct ubi_device *ubi, struct ubi_attach_info *ai)
if (ubi->corr_peb_count)
ubi_err(ubi, "%d PEBs are corrupted and not used",
ubi->corr_peb_count);
+ err = -ENOSPC;
goto out_free;
}
ubi->avail_pebs -= reserved_pebs;