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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>
(cherry picked from commit 0d838347f1)
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
committed by
Mark Brown
parent
01bcc35baa
commit
bb0145e4e0
@@ -235,7 +235,11 @@ static __init int efivars_pstore_init(void)
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efi_pstore_info.bufsize = 1024;
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spin_lock_init(&efi_pstore_info.buf_lock);
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pstore_register(&efi_pstore_info);
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if (pstore_register(&efi_pstore_info)) {
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kfree(efi_pstore_info.buf);
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efi_pstore_info.buf = NULL;
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efi_pstore_info.bufsize = 0;
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}
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return 0;
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}
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