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firmware loader: fix firmware -ENOENT situations

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If the requested firmware image doesn't exist, firmware->priv
should be set for the later concurrent requests, otherwise
warning and oops will be triggered inside firmware_free_data().

Signed-off-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ming Lei 2012-08-20 19:04:15 +08:00 • committed by Greg Kroah-Hartman
parent 43f5e46c8e
commit ef40bb1bd0
1 changed files with 1 additions and 0 deletions
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1
drivers/base/firmware_class.c
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@ -718,6 +718,7 @@ _request_firmware_prepare(const struct firmware **firmware_p, const char *name,
mutex_lock(&fw_lock); mutex_lock(&fw_lock);
if (test_bit(FW_STATUS_ABORT, &buf->status)) { if (test_bit(FW_STATUS_ABORT, &buf->status)) {
fw_priv = ERR_PTR(-ENOENT); fw_priv = ERR_PTR(-ENOENT);
firmware->priv = buf;
_request_firmware_cleanup(firmware_p); _request_firmware_cleanup(firmware_p);
goto exit; goto exit;
} else if (test_bit(FW_STATUS_DONE, &buf->status)) { } else if (test_bit(FW_STATUS_DONE, &buf->status)) {