A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-25 22:23:14 -04:00
Code Issues Projects Releases Packages Wiki Activity

qcacmn: Fix Dma memory allocation leak from Hif layer

Browse source 
HIF close is not freeing RRI memory allocated during HIF initialization
resulting in memory leak of RRI memory after driver unload

To mitigate the issue, freeing RRI memory in HIF close.

Change-Id: Ib3daba8de0cabc1d8e303d7148448d21c47905e7
CRs-Fixed: 2019147
This commit is contained in:
Arunk Khandavalli 2017-04-03 21:40:26 +05:30 • committed by snandini
commit e14e8e9fcf
3 changed files with 9 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

1
hif/src/ce/ce_main.c
View file

@ -2971,6 +2971,7 @@ static inline void hif_config_rri_on_ddr(struct hif_softc *scn)
scn->qdf_dev->dev, (CE_COUNT*sizeof(uint32_t)),
&paddr_rri_on_ddr);
scn->paddr_rri_on_ddr = paddr_rri_on_ddr;
low_paddr = BITS0_TO_31(paddr_rri_on_ddr);
high_paddr = BITS32_TO_35(paddr_rri_on_ddr);

7
hif/src/hif_main.c
View file

@ -462,6 +462,13 @@ void hif_close(struct hif_opaque_softc *hif_ctx)
qdf_mem_free(hw_name);
}
if (scn->vaddr_rri_on_ddr)
qdf_mem_free_consistent(scn->qdf_dev, scn->qdf_dev->dev,
(CE_COUNT*sizeof(uint32_t)),
scn->vaddr_rri_on_ddr, scn->paddr_rri_on_ddr,
0);
scn->vaddr_rri_on_ddr = NULL;
hif_bus_close(scn);
qdf_mem_free(scn);
}

1
hif/src/hif_main.h
View file

@ -150,6 +150,7 @@ struct hif_softc {
atomic_t active_grp_tasklet_cnt;
atomic_t link_suspended;
uint32_t *vaddr_rri_on_ddr;
qdf_dma_addr_t paddr_rri_on_ddr;
int linkstate_vote;
bool fastpath_mode_on;
atomic_t tasklet_from_intr;