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[PATCH v2 1/3] pstore: check PSTORE_FLAGS_FRAGILE in pstore_unregister

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  [PATCH v2 1/3] pstore: check PSTORE_FLAGS_FRAGILE in pstore_unregister Geliang Tang <geliangtang@163.com> - 2015-11-07 06:00 +0100

#1264733 — [PATCH v2 1/3] pstore: check PSTORE_FLAGS_FRAGILE in pstore_unregister

When PSTORE_FLAGS_FRAGILE flag is set, only kmsg is registered in
pstore_register. So, under these circumstances, only kmsg needs to
be unregistered in pstore_unregister.

Signed-off-by: Geliang Tang <geliangtang@163.com>
---
 fs/pstore/platform.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c
index 588461b..5b8f1eb 100644
--- a/fs/pstore/platform.c
+++ b/fs/pstore/platform.c
@@ -497,9 +497,12 @@ EXPORT_SYMBOL_GPL(pstore_register);
 
 void pstore_unregister(struct pstore_info *psi)
 {
-	pstore_unregister_pmsg();
-	pstore_unregister_ftrace();
-	pstore_unregister_console();
+	if ((psi->flags & PSTORE_FLAGS_FRAGILE) == 0) {
+		pstore_unregister_pmsg();
+		pstore_unregister_ftrace();
+		pstore_unregister_console();
+	}
+
 	pstore_unregister_kmsg();
 
 	free_buf_for_compression();
-- 
2.5.0


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