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author | Julian Andres Klode <jak@jak-linux.org> | 2011-09-27 17:00:58 (GMT) |
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committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-09-30 00:41:36 (GMT) |
commit | 198dd26714ba4a60ccc5ce70bc4506613b4f0c2d (patch) | |
tree | 52c5b0053a6c806d2552a7a7229b22c2a49eacb4 /drivers/staging/nvec/nvec.c | |
parent | 391d2fa95c8e5e5ad3b06af235ce4aeae6514966 (diff) | |
download | linux-198dd26714ba4a60ccc5ce70bc4506613b4f0c2d.tar.xz |
staging: nvec: Export nvec_msg_free() to clients
Client code wishing to make use of nvec_write_sync() must
have a way to free the returned pointer, otherwise we run
out of poool memory fairly soon.
Signed-off-by: Julian Andres Klode <jak@jak-linux.org>
Acked-by: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/nvec/nvec.c')
-rw-r--r-- | drivers/staging/nvec/nvec.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/staging/nvec/nvec.c b/drivers/staging/nvec/nvec.c index 3fa1c75..488d7dd 100644 --- a/drivers/staging/nvec/nvec.c +++ b/drivers/staging/nvec/nvec.c @@ -159,12 +159,13 @@ static struct nvec_msg *nvec_msg_alloc(struct nvec_chip *nvec) * * Free the given message */ -static void nvec_msg_free(struct nvec_chip *nvec, struct nvec_msg *msg) +inline void nvec_msg_free(struct nvec_chip *nvec, struct nvec_msg *msg) { if (msg != &nvec->tx_scratch) dev_vdbg(nvec->dev, "INFO: Free %ti\n", msg - nvec->msg_pool); atomic_set(&msg->used, 0); } +EXPORT_SYMBOL_GPL(nvec_msg_free); /** * nvec_msg_is_event - Return %true if @msg is an event @@ -259,7 +260,8 @@ EXPORT_SYMBOL(nvec_write_async); * interrupt handlers. * * Returns: A pointer to the response message on success, - * %NULL on failure. + * %NULL on failure. Free with nvec_msg_free() once no longer + * used. */ struct nvec_msg *nvec_write_sync(struct nvec_chip *nvec, const unsigned char *data, short size) |