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authorLinus Torvalds <torvalds@linux-foundation.org>2013-07-03 11:14:44 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-03 11:14:44 -0700
commit04bbc8e1f68cf4c1aac8024d6aea1a24757e8a5a (patch)
tree9eee2dd7cca805dc27490a624160ef6d9ddd7dd1 /drivers/acpi/apei
parente39dfe52f8f67061317e7108f62a2b33a3d06580 (diff)
parent0d838347f1325cebfe8b9341a4b4c1f407022231 (diff)
Merge tag 'please-pull-pstore' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux
Pull pstore update from Tony Luck: "Fixes for pstore for 3.11 merge window" * tag 'please-pull-pstore' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux: efivars: If pstore_register fails, free unneeded pstore buffer acpi: Eliminate console msg if pstore.backend excludes ERST pstore: Return unique error if backend registration excluded by kernel param pstore: Fail to unlink if a driver has not defined pstore_erase pstore/ram: remove the power of buffer size limitation pstore/ram: avoid atomic accesses for ioremapped regions efi, pstore: Cocci spatch "memdup.spatch"
Diffstat (limited to 'drivers/acpi/apei')
-rw-r--r--drivers/acpi/apei/erst.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c
index 6d894bfd8b8..f7b3b39e94f 100644
--- a/drivers/acpi/apei/erst.c
+++ b/drivers/acpi/apei/erst.c
@@ -1180,20 +1180,28 @@ static int __init erst_init(void)
if (!erst_erange.vaddr)
goto err_release_erange;
+ pr_info(ERST_PFX
+ "Error Record Serialization Table (ERST) support is initialized.\n");
+
buf = kmalloc(erst_erange.size, GFP_KERNEL);
spin_lock_init(&erst_info.buf_lock);
if (buf) {
erst_info.buf = buf + sizeof(struct cper_pstore_record);
erst_info.bufsize = erst_erange.size -
sizeof(struct cper_pstore_record);
- if (pstore_register(&erst_info)) {
- pr_info(ERST_PFX "Could not register with persistent store\n");
+ rc = pstore_register(&erst_info);
+ if (rc) {
+ if (rc != -EPERM)
+ pr_info(ERST_PFX
+ "Could not register with persistent store\n");
+ erst_info.buf = NULL;
+ erst_info.bufsize = 0;
kfree(buf);
}
- }
-
- pr_info(ERST_PFX
- "Error Record Serialization Table (ERST) support is initialized.\n");
+ } else
+ pr_err(ERST_PFX
+ "Failed to allocate %lld bytes for persistent store error log\n",
+ erst_erange.size);
return 0;