RDMA/mana_ib: Ensure variable err is initialized

[ Upstream commit be35a3127d60964b338da95c7bfaaf4a01b330d4 ]

In the function mana_ib_gd_create_dma_region if there are no dma blocks
to process the variable `err` remains uninitialized.

Fixes: 0266a177631d ("RDMA/mana_ib: Add a driver for Microsoft Azure Network Adapter")
Signed-off-by: Kees Bakker <kees@ijzerbout.nl>
Link: https://patch.msgid.link/20250221195833.7516C16290A@bout3.ijzerbout.nl
Reviewed-by: Long Li <longli@microsoft.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana/main.c
index 457cea6d99095841f2a66a39a34e37da51594d07..f6bf289041bfe3b72e5cd65bc19fede00ab09857 100644 (file)
--- a/drivers/infiniband/hw/mana/main.c
+++ b/drivers/infiniband/hw/mana/main.c
@@ -358,7 +358,7 @@ static int mana_ib_gd_create_dma_region(struct mana_ib_dev *dev, struct ib_umem
        unsigned int tail = 0;
        u64 *page_addr_list;
        void *request_buf;
-       int err;
+       int err = 0;
 
        gc = mdev_to_gc(dev);
        hwc = gc->hwc.driver_data;