Messages in this thread Patch in this message | | | From | Lenny Szubowicz <> | Subject | [PATCH 3/3] efivars: If pstore_register fails, free unneeded pstore buffer | Date | Fri, 28 Jun 2013 16:14:11 -0400 |
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This is patch 3/3 of a patch set that cleans up pstore_register failure paths.
If efivars fails to register with pstore, there is no point to keeping the 4 KB buffer around. It's only used by the pstore read/write routines.
Signed-off-by: Lenny Szubowicz <lszubowi@redhat.com> Reported-by: Naotaka Hamaguchi <n.hamaguchi@jp.fujitsu.com> --- drivers/firmware/efi/efi-pstore.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/firmware/efi/efi-pstore.c b/drivers/firmware/efi/efi-pstore.c index 202d2c8..66c0c76 100644 --- a/drivers/firmware/efi/efi-pstore.c +++ b/drivers/firmware/efi/efi-pstore.c @@ -236,7 +236,11 @@ static __init int efivars_pstore_init(void) efi_pstore_info.bufsize = 1024; spin_lock_init(&efi_pstore_info.buf_lock); - pstore_register(&efi_pstore_info); + if (pstore_register(&efi_pstore_info)) { + kfree(efi_pstore_info.buf); + efi_pstore_info.buf = NULL; + efi_pstore_info.bufsize = 0; + } return 0; } -- 1.8.2.1
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