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authorArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2007-06-18 12:06:30 +0300
committerArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2007-07-18 16:55:55 +0300
commit94784d916458d51043ba76849b9beaf330baef2f (patch)
treea7b71f0aa61ce5524dc602716c6ae722ff78d461 /drivers/mtd
parent7753f1692f53d82b4cc08084462b0fd2803c1f04 (diff)
downloadop-kernel-dev-94784d916458d51043ba76849b9beaf330baef2f.zip
op-kernel-dev-94784d916458d51043ba76849b9beaf330baef2f.tar.gz
UBI: bugfix in error path
When volume creation fails, we have to set ubi->volumes[vol_id] back to NULL. This patch also tweaks some debugging stuff. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/ubi/debug.c6
-rw-r--r--drivers/mtd/ubi/debug.h2
-rw-r--r--drivers/mtd/ubi/vmt.c6
-rw-r--r--drivers/mtd/ubi/vtbl.c3
4 files changed, 7 insertions, 10 deletions
diff --git a/drivers/mtd/ubi/debug.c b/drivers/mtd/ubi/debug.c
index 9a996c5..310341e 100644
--- a/drivers/mtd/ubi/debug.c
+++ b/drivers/mtd/ubi/debug.c
@@ -91,7 +91,7 @@ void ubi_dbg_dump_vol_info(const struct ubi_volume *vol)
if (vol->name_len <= UBI_VOL_NAME_MAX &&
strnlen(vol->name, vol->name_len + 1) == vol->name_len) {
- dbg_msg("name %s", vol->name);
+ dbg_msg("name %s", vol->name);
} else {
dbg_msg("the 1st 5 characters of the name: %c%c%c%c%c",
vol->name[0], vol->name[1], vol->name[2],
@@ -117,13 +117,13 @@ void ubi_dbg_dump_vtbl_record(const struct ubi_vtbl_record *r, int idx)
dbg_msg("name_len %d", name_len);
if (r->name[0] == '\0') {
- dbg_msg("name NULL");
+ dbg_msg("name NULL");
return;
}
if (name_len <= UBI_VOL_NAME_MAX &&
strnlen(&r->name[0], name_len + 1) == name_len) {
- dbg_msg("name %s", &r->name[0]);
+ dbg_msg("name %s", &r->name[0]);
} else {
dbg_msg("1st 5 characters of the name: %c%c%c%c%c",
r->name[0], r->name[1], r->name[2], r->name[3],
diff --git a/drivers/mtd/ubi/debug.h b/drivers/mtd/ubi/debug.h
index f816ad9..ff8f395 100644
--- a/drivers/mtd/ubi/debug.h
+++ b/drivers/mtd/ubi/debug.h
@@ -52,7 +52,6 @@ struct ubi_scan_volume;
struct ubi_scan_leb;
struct ubi_mkvol_req;
-void ubi_dbg_print(int type, const char *func, const char *fmt, ...);
void ubi_dbg_dump_ec_hdr(const struct ubi_ec_hdr *ec_hdr);
void ubi_dbg_dump_vid_hdr(const struct ubi_vid_hdr *vid_hdr);
void ubi_dbg_dump_vol_info(const struct ubi_volume *vol);
@@ -66,7 +65,6 @@ void ubi_dbg_hexdump(const void *buf, int size);
#define dbg_msg(fmt, ...) ({})
#define ubi_dbg_dump_stack() ({})
-#define ubi_dbg_print(func, fmt, ...) ({})
#define ubi_dbg_dump_ec_hdr(ec_hdr) ({})
#define ubi_dbg_dump_vid_hdr(vid_hdr) ({})
#define ubi_dbg_dump_vol_info(vol) ({})
diff --git a/drivers/mtd/ubi/vmt.c b/drivers/mtd/ubi/vmt.c
index 6e13599..a0c6e1e 100644
--- a/drivers/mtd/ubi/vmt.c
+++ b/drivers/mtd/ubi/vmt.c
@@ -228,7 +228,7 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req)
for (i = 0; i < ubi->vtbl_slots; i++)
if (ubi->volumes[i] &&
ubi->volumes[i]->name_len == req->name_len &&
- strcmp(ubi->volumes[i]->name, req->name) == 0) {
+ !strcmp(ubi->volumes[i]->name, req->name)) {
dbg_err("volume \"%s\" exists (ID %d)", req->name, i);
goto out_unlock;
}
@@ -351,6 +351,7 @@ out_acc:
spin_lock(&ubi->volumes_lock);
ubi->rsvd_pebs -= vol->reserved_pebs;
ubi->avail_pebs += vol->reserved_pebs;
+ ubi->volumes[vol_id] = NULL;
out_unlock:
spin_unlock(&ubi->volumes_lock);
kfree(vol);
@@ -367,6 +368,7 @@ out_sysfs:
spin_lock(&ubi->volumes_lock);
ubi->rsvd_pebs -= vol->reserved_pebs;
ubi->avail_pebs += vol->reserved_pebs;
+ ubi->volumes[vol_id] = NULL;
spin_unlock(&ubi->volumes_lock);
volume_sysfs_close(vol);
return err;
@@ -784,7 +786,7 @@ static void paranoid_check_volume(const struct ubi_device *ubi, int vol_id)
return;
fail:
- ubi_err("paranoid check failed");
+ ubi_err("paranoid check failed for volume %d", vol_id);
ubi_dbg_dump_vol_info(vol);
ubi_dbg_dump_vtbl_record(&ubi->vtbl[vol_id], vol_id);
BUG();
diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c
index 800ce94..1f48c76 100644
--- a/drivers/mtd/ubi/vtbl.c
+++ b/drivers/mtd/ubi/vtbl.c
@@ -96,9 +96,6 @@ int ubi_change_vtbl_record(struct ubi_device *ubi, int idx,
vtbl_rec->crc = cpu_to_be32(crc);
}
- dbg_msg("change record %d", idx);
- ubi_dbg_dump_vtbl_record(vtbl_rec, idx);
-
mutex_lock(&ubi->vtbl_mutex);
memcpy(&ubi->vtbl[idx], vtbl_rec, sizeof(struct ubi_vtbl_record));
for (i = 0; i < UBI_LAYOUT_VOLUME_EBS; i++) {
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