diff options
| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2021-12-26 15:06:17 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-01-05 12:40:31 +0100 |
| commit | 61146008087a8b4cf639c8c00ca7574c894c8805 (patch) | |
| tree | eafa399bb315d3386eefa3223987e542989fc541 /drivers | |
| parent | b7c9a1427b32723b583da6d44d833e9b246d4a94 (diff) | |
ionic: Initialize the 'lif->dbid_inuse' bitmap
[ Upstream commit 140c7bc7d1195750342ea0e6ab76179499ae7cd7 ]
When allocated, this bitmap is not initialized. Only the first bit is set a
few lines below.
Use bitmap_zalloc() to make sure that it is cleared before being used.
Fixes: 6461b446f2a0 ("ionic: Add interrupts and doorbells")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Link: https://lore.kernel.org/r/6a478eae0b5e6c63774e1f0ddb1a3f8c38fa8ade.1640527506.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_lif.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c index 1b44155fa24b..e95c09dc2c30 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c @@ -2836,7 +2836,7 @@ int ionic_lif_init(struct ionic_lif *lif) return -EINVAL; } - lif->dbid_inuse = bitmap_alloc(lif->dbid_count, GFP_KERNEL); + lif->dbid_inuse = bitmap_zalloc(lif->dbid_count, GFP_KERNEL); if (!lif->dbid_inuse) { dev_err(dev, "Failed alloc doorbell id bitmap, aborting\n"); return -ENOMEM; |