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Diffstat (limited to 'lib/dma.c')
-rw-r--r--lib/dma.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/lib/dma.c b/lib/dma.c
index 2897b1a..deb5511 100644
--- a/lib/dma.c
+++ b/lib/dma.c
@@ -94,9 +94,10 @@ _dma_controller_do_remove_region(lm_ctx_t *lm_ctx, dma_memory_region_t *region)
lm_log(lm_ctx, LM_DBG, "failed to unmap fd=%d vaddr=%#lx-%#lx\n",
region->fd, region->virt_addr, region->size);
}
- err = close(region->fd);
- if (err != 0) {
- lm_log(lm_ctx, LM_DBG, "failed to close fd=%d\n", region->fd);
+ if (region->fd != -1) {
+ if (close(region->fd) == -1) {
+ lm_log(lm_ctx, LM_DBG, "failed to close fd %d: %m\n", region->fd);
+ }
}
}
@@ -224,7 +225,11 @@ dma_controller_add_region(lm_ctx_t *lm_ctx, dma_controller_t *dma,
if (region->virt_addr == MAP_FAILED) {
lm_log(lm_ctx, LM_ERR, "failed to memory map DMA region %lx-%lx: %s\n",
dma_addr, dma_addr + size, strerror(errno));
- close(region->fd);
+ if (region->fd != -1) {
+ if (close(region->fd) == -1) {
+ lm_log(lm_ctx, LM_DBG, "failed to close fd %d: %m\n", region->fd);
+ }
+ }
goto err;
}
dma->nregions++;