]> www.infradead.org Git - users/jedix/linux-maple.git/commit
RDMA/irdma: Fix memory leak of PBLE objects
authorMustafa Ismail <mustafa.ismail@intel.com>
Wed, 15 Mar 2023 14:52:29 +0000 (09:52 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 20 Apr 2023 10:35:07 +0000 (12:35 +0200)
commitee02fa4a71bdb95a444124e5c11eaa22f1f44738
tree045d041ce56e63c59b82794b3a203ba28a77e73a
parent6d61b0cc2adea84603d5999320aa219a7955e0fd
RDMA/irdma: Fix memory leak of PBLE objects

[ Upstream commit b69a6979dbaa2453675fe9c71bdc2497fedb11f9 ]

On rmmod of irdma, the PBLE object memory is not being freed. PBLE object
memory are not statically pre-allocated at function initialization time
unlike other HMC objects. PBLEs objects and the Segment Descriptors (SD)
for it can be dynamically allocated during scale up and SD's remain
allocated till function deinitialization.

Fix this leak by adding IRDMA_HMC_IW_PBLE to the iw_hmc_obj_types[] table
and skip pbles in irdma_create_hmc_obj but not in irdma_del_hmc_objects().

Fixes: 44d9e52977a1 ("RDMA/irdma: Implement device initialization definitions")
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Link: https://lore.kernel.org/r/20230315145231.931-3-shiraz.saleem@intel.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/infiniband/hw/irdma/hw.c