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[4/5] pstore/ram: Should zap persistent zone on unlink

Message ID 1338037673-19909-4-git-send-email-anton.vorontsov@linaro.org
State Accepted
Commit 93cce049682a1aebd49766f29af363e5b8770aed
Headers show

Commit Message

Anton Vorontsov May 26, 2012, 1:07 p.m. UTC 
Otherwise, unlinked file will reappear on the next boot.

Reported-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Acked-by: Kees Cook <keescook@chromium.org>
---
 fs/pstore/ram.c |    1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index 16ff733..453030f 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -186,6 +186,7 @@  static int ramoops_pstore_erase(enum pstore_type_id type, u64 id,
 		return -EINVAL;
 
 	persistent_ram_free_old(cxt->przs[id]);
+	persistent_ram_zap(cxt->przs[id]);
 
 	return 0;
 }