summary refs log tree commit diff
path: root/drivers
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2020-08-10 18:20:04 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-08-10 18:20:04 -0700
commit163c3e3dc0ddcea3edac51612fced13c597f37dc (patch)
tree75943363d318de96c2f1dcaa9f883a3c4b3f17bb /drivers
parent4bcf69e57063c9b1b15df1a293c969e80a1c97e6 (diff)
parent798b7347e4f29553db4b996393caf12f5b233daf (diff)
downloadlinux-163c3e3dc0ddcea3edac51612fced13c597f37dc.tar.gz
Merge tag 'for-linus-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
Pull JFFS2, UBI and UBIFS updates from Richard Weinberger:
 "JFFS2:
   - Fix for a corner case while mounting
   - Fix for an use-after-free issue

  UBI:
   - Fix for a memory load while attaching
   - Don't produce an anchor PEB with fastmap being disabled

  UBIFS:
   - Fix for orphan inode logic
   - Spelling fixes
   - New mount option to specify filesystem version"

* tag 'for-linus-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs:
  jffs2: fix UAF problem
  jffs2: fix jffs2 mounting failure
  ubifs: Fix wrong orphan node deletion in ubifs_jnl_update|rename
  ubi: fastmap: Free fastmap next anchor peb during detach
  ubi: fastmap: Don't produce the initial next anchor PEB when fastmap is disabled
  ubifs: misc.h: delete a duplicated word
  ubifs: add option to specify version for new file systems
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mtd/ubi/fastmap-wl.c5
-rw-r--r--drivers/mtd/ubi/wl.c3
2 files changed, 7 insertions, 1 deletions
diff --git a/drivers/mtd/ubi/fastmap-wl.c b/drivers/mtd/ubi/fastmap-wl.c
index 83afc00e365a..28f55f9cf715 100644
--- a/drivers/mtd/ubi/fastmap-wl.c
+++ b/drivers/mtd/ubi/fastmap-wl.c
@@ -381,6 +381,11 @@ static void ubi_fastmap_close(struct ubi_device *ubi)
 		ubi->fm_anchor = NULL;
 	}
 
+	if (ubi->fm_next_anchor) {
+		return_unused_peb(ubi, ubi->fm_next_anchor);
+		ubi->fm_next_anchor = NULL;
+	}
+
 	if (ubi->fm) {
 		for (i = 0; i < ubi->fm->used_blocks; i++)
 			kfree(ubi->fm->e[i]);
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index 27636063ed1b..42cac572f82d 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -1086,7 +1086,8 @@ static int __erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk)
 	if (!err) {
 		spin_lock(&ubi->wl_lock);
 
-		if (!ubi->fm_next_anchor && e->pnum < UBI_FM_MAX_START) {
+		if (!ubi->fm_disabled && !ubi->fm_next_anchor &&
+		    e->pnum < UBI_FM_MAX_START) {
 			/* Abort anchor production, if needed it will be
 			 * enabled again in the wear leveling started below.
 			 */