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authorLinus Torvalds <torvalds@linux-foundation.org>2016-10-29 22:15:24 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2016-10-29 22:15:24 +0200
commitefa563752c252ddc201bbe55980a4f815bdc039c (patch)
tree419e6cd7d9da49762a499fd3769d2759de9934bd
parentMerge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm... (diff)
parentubifs: Fix regression in ubifs_readdir() (diff)
downloadlinux-efa563752c252ddc201bbe55980a4f815bdc039c.tar.xz
linux-efa563752c252ddc201bbe55980a4f815bdc039c.zip
Merge tag 'upstream-4.9-rc3' of git://git.infradead.org/linux-ubifs
Pull ubi/ubifs fixes from Richard Weinberger: "This contains fixes for issues in both UBI and UBIFS: - A regression wrt overlayfs, introduced in -rc2. - An UBI issue, found by Dan Carpenter's static checker" * tag 'upstream-4.9-rc3' of git://git.infradead.org/linux-ubifs: ubifs: Fix regression in ubifs_readdir() ubi: fastmap: Fix add_vol() return value test in ubi_attach_fastmap()
-rw-r--r--drivers/mtd/ubi/fastmap.c10
-rw-r--r--fs/ubifs/dir.c8
2 files changed, 13 insertions, 5 deletions
diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c
index 2ff62157d3bb..c1f5c29e458e 100644
--- a/drivers/mtd/ubi/fastmap.c
+++ b/drivers/mtd/ubi/fastmap.c
@@ -707,11 +707,11 @@ static int ubi_attach_fastmap(struct ubi_device *ubi,
fmvhdr->vol_type,
be32_to_cpu(fmvhdr->last_eb_bytes));
- if (!av)
- goto fail_bad;
- if (PTR_ERR(av) == -EINVAL) {
- ubi_err(ubi, "volume (ID %i) already exists",
- fmvhdr->vol_id);
+ if (IS_ERR(av)) {
+ if (PTR_ERR(av) == -EEXIST)
+ ubi_err(ubi, "volume (ID %i) already exists",
+ fmvhdr->vol_id);
+
goto fail_bad;
}
diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index bd4a5e8ce441..ca16c5d7bab1 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -543,6 +543,14 @@ out:
if (err != -ENOENT)
ubifs_err(c, "cannot find next direntry, error %d", err);
+ else
+ /*
+ * -ENOENT is a non-fatal error in this context, the TNC uses
+ * it to indicate that the cursor moved past the current directory
+ * and readdir() has to stop.
+ */
+ err = 0;
+
/* 2 is a special value indicating that there are no more direntries */
ctx->pos = 2;