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drivers: hv: remove redundant assignment to pointer primary_channel 

The pointer primary_channel is being assigned with a value that is never
used. The assignment is redundant and can be removed.  Move the
definition of primary_channel to a narrower scope.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20200414152343.243166-1-colin.king@canonical.com
[ wei: move primary_channel and update commit message ]
Signed-off-by: Wei Liu <wei.liu@kernel.org>
This commit is contained in:
Colin Ian King 2020-04-14 16:23:43 +01:00 committed by Wei Liu
parent 7769e18c20
commit 677b0ce5d6
1 changed files with 1 additions and 4 deletions
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5
drivers/hv/channel_mgmt.c
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@ -400,7 +400,6 @@ static void vmbus_release_relid(u32 relid)
void hv_process_channel_removal(struct vmbus_channel *channel)
{
struct vmbus_channel *primary_channel;
unsigned long flags;
lockdep_assert_held(&vmbus_connection.channel_mutex);
@ -425,10 +424,8 @@ void hv_process_channel_removal(struct vmbus_channel *channel)
if (channel->primary_channel == NULL) {
list_del(&channel->listentry);
primary_channel = channel;
} else {
primary_channel = channel->primary_channel;
struct vmbus_channel *primary_channel = channel->primary_channel;
spin_lock_irqsave(&primary_channel->lock, flags);
list_del(&channel->sc_list);
spin_unlock_irqrestore(&primary_channel->lock, flags);