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| author | Suren A. Chilingaryan <csa@suren.me> | 2015-08-06 04:24:58 +0200 |
|---|---|---|
| committer | Suren A. Chilingaryan <csa@suren.me> | 2015-08-06 04:24:58 +0200 |
| commit | d60dd48eec0ef5d7bf2feca9b3f06374a2f444aa (patch) | |
| tree | 5dac744f57edafe76e73648509a19bfa275097f5 /pcilib/pci.c | |
| parent | 8b8a2bee0bce0bc9cc78d43f236c6a3d8a0bd2e4 (diff) | |
| download | pcitool-d60dd48eec0ef5d7bf2feca9b3f06374a2f444aa.tar.gz pcitool-d60dd48eec0ef5d7bf2feca9b3f06374a2f444aa.tar.bz2 pcitool-d60dd48eec0ef5d7bf2feca9b3f06374a2f444aa.tar.xz pcitool-d60dd48eec0ef5d7bf2feca9b3f06374a2f444aa.zip | |
Protect access to the DMA engine with locks
Diffstat (limited to 'pcilib/pci.c')
| -rw-r--r-- | pcilib/pci.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/pcilib/pci.c b/pcilib/pci.c index 6078a6e..4351c1e 100644 --- a/pcilib/pci.c +++ b/pcilib/pci.c @@ -337,6 +337,7 @@ void pcilib_close(pcilib_t *ctx) { pcilib_bar_t i; if (ctx) { + pcilib_dma_engine_t dma; const pcilib_model_description_t *model_info = pcilib_get_model_description(ctx); const pcilib_event_api_description_t *eapi = model_info->api; const pcilib_dma_api_description_t *dapi = ctx->dma.api; @@ -344,6 +345,13 @@ void pcilib_close(pcilib_t *ctx) { if ((eapi)&&(eapi->free)) eapi->free(ctx->event_ctx); if ((dapi)&&(dapi->free)) dapi->free(ctx->dma_ctx); + for (dma = 0; dma < PCILIB_MAX_DMA_ENGINES; dma++) { + if (ctx->dma_rlock[dma]) + pcilib_return_lock(ctx, PCILIB_LOCK_FLAGS_DEFAULT, ctx->dma_rlock[dma]); + if (ctx->dma_wlock[dma]) + pcilib_return_lock(ctx, PCILIB_LOCK_FLAGS_DEFAULT, ctx->dma_wlock[dma]); + } + pcilib_free_register_banks(ctx); if (ctx->register_ctx) |