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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-09-16 16:51:27 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-09-16 16:51:27 -0700
commit8f949b9a7e0bac3a9c3c29dc27c476a87e21db3e (patch)
tree88cd7852d59ebae54fcc2f57019ea13284042962 /drivers/net/wireless/mwifiex/cmdevt.c
parent6f586e663e3b3674cadad0d5329424b006a0a289 (diff)
parent5698bd757d55b1bb87edd1a9744ab09c142abfc2 (diff)
downloadolio-linux-3.10-8f949b9a7e0bac3a9c3c29dc27c476a87e21db3e.tar.xz
olio-linux-3.10-8f949b9a7e0bac3a9c3c29dc27c476a87e21db3e.zip
Merge 3.6-rc7 into driver-core-next
This pulls in the fixes in that branch that are needed here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/wireless/mwifiex/cmdevt.c')
-rw-r--r--drivers/net/wireless/mwifiex/cmdevt.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c
index c68adec3cc8..565527aee0e 100644
--- a/drivers/net/wireless/mwifiex/cmdevt.c
+++ b/drivers/net/wireless/mwifiex/cmdevt.c
@@ -170,7 +170,20 @@ static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private *priv,
cmd_code = le16_to_cpu(host_cmd->command);
cmd_size = le16_to_cpu(host_cmd->size);
- skb_trim(cmd_node->cmd_skb, cmd_size);
+ /* Adjust skb length */
+ if (cmd_node->cmd_skb->len > cmd_size)
+ /*
+ * cmd_size is less than sizeof(struct host_cmd_ds_command).
+ * Trim off the unused portion.
+ */
+ skb_trim(cmd_node->cmd_skb, cmd_size);
+ else if (cmd_node->cmd_skb->len < cmd_size)
+ /*
+ * cmd_size is larger than sizeof(struct host_cmd_ds_command)
+ * because we have appended custom IE TLV. Increase skb length
+ * accordingly.
+ */
+ skb_put(cmd_node->cmd_skb, cmd_size - cmd_node->cmd_skb->len);
do_gettimeofday(&tstamp);
dev_dbg(adapter->dev, "cmd: DNLD_CMD: (%lu.%lu): %#x, act %#x, len %d,"