diff options
| author | Lenny Szubowicz <lszubowi@redhat.com> | 2013-06-28 20:14:11 (GMT) |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2013-06-28 22:23:24 (GMT) |
| commit | 0d838347f1325cebfe8b9341a4b4c1f407022231 (patch) | |
| tree | 50d0fad2c4b4df70f3f276eabe59ad3109938718 /drivers/firmware/efi/efi-pstore.c | |
| parent | 74fd6c6f84b6d3e57bacb06161451c29949fbe51 (diff) | |
| download | linux-0d838347f1325cebfe8b9341a4b4c1f407022231.tar.xz | |
efivars: If pstore_register fails, free unneeded pstore buffer
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>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'drivers/firmware/efi/efi-pstore.c')
| -rw-r--r-- | drivers/firmware/efi/efi-pstore.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/firmware/efi/efi-pstore.c b/drivers/firmware/efi/efi-pstore.c index c692bb6..91864ad 100644 --- a/drivers/firmware/efi/efi-pstore.c +++ b/drivers/firmware/efi/efi-pstore.c @@ -235,7 +235,11 @@ 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; } |