[PATCH 4/4] firmware: Ignore abort check when no user-helper is used

From: Takashi Iwai
Date: Fri Jan 25 2013 - 11:05:51 EST


FW_STATUS_ABORT can be set only during the user-helper invocation,
thus we can ignore the check when CONFIG_HW_LOADER_USER_HELPER is
disabled.

Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
---
drivers/base/firmware_class.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index b22a028..dfb7981 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -449,6 +449,9 @@ static void fw_load_abort(struct firmware_priv *fw_priv)
complete_all(&buf->completion);
}

+#define is_fw_load_aborted(buf) \
+ test_bit(FW_STATUS_ABORT, &(buf)->status)
+
static int loading_timeout = 60; /* In seconds */

static inline long firmware_loading_timeout(void)
@@ -919,6 +922,10 @@ fw_load_from_user_helper(struct firmware *firmware, const char *name,
{
return -ENOENT;
}
+
+/* No abort during direct loading */
+#define is_fw_load_aborted(buf) false
+
#endif /* CONFIG_FW_LOADER_USER_HELPER */


@@ -935,7 +942,7 @@ static int sync_cached_firmware_buf(struct firmware_buf *buf)

mutex_lock(&fw_lock);
while (!test_bit(FW_STATUS_DONE, &buf->status)) {
- if (test_bit(FW_STATUS_ABORT, &buf->status)) {
+ if (is_fw_load_aborted(buf)) {
ret = -ENOENT;
break;
}
@@ -1001,7 +1008,7 @@ static int assign_firmware_buf(struct firmware *fw, struct device *device)
struct firmware_buf *buf = fw->priv;

mutex_lock(&fw_lock);
- if (!buf->size || test_bit(FW_STATUS_ABORT, &buf->status)) {
+ if (!buf->size || is_fw_load_aborted(buf)) {
mutex_unlock(&fw_lock);
return -ENOENT;
}
--
1.8.1.1

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