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| author | Ingo Molnar <mingo@kernel.org> | 2025-04-22 08:31:41 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2025-04-22 08:31:41 +0200 |
| commit | c96f564e6f943cf5d8536e1c43f243aa7c42b4ed (patch) | |
| tree | ada98ccab9b31fe9519b4e6ea2beec63ad98cb16 /fs/overlayfs/super.c | |
| parent | 321550859f3bd64f547d0b4e9fbd97bd539ef47c (diff) | |
| parent | 06e09002bc1d46505d6b3bd947ebaf3cec7acab8 (diff) | |
Merge branch 'x86/cpu' into x86/microcode, to pick up dependent commits
Avoid a conflict in <asm/cpufeatures.h> by merging pending x86/cpu changes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/overlayfs/super.c')
| -rw-r--r-- | fs/overlayfs/super.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index b63474d1b064..e19940d649ca 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -1138,6 +1138,11 @@ static struct ovl_entry *ovl_get_lowerstack(struct super_block *sb, return ERR_PTR(-EINVAL); } + if (ctx->nr == ctx->nr_data) { + pr_err("at least one non-data lowerdir is required\n"); + return ERR_PTR(-EINVAL); + } + err = -EINVAL; for (i = 0; i < ctx->nr; i++) { l = &ctx->lower[i]; |