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[allocator_dma_heap]: add file permission check.

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Change-Id: Icfffaf3594f029b87e3a87f17de408a681c49dfb
Signed-off-by: xueman.ruan <xueman.ruan@rock-chips.com>
This commit is contained in:
xueman.ruan
2023-04-28 14:28:10 +08:00
committed by Herman Chen
parent 13794992d9
commit c794d353c5
1 changed files with 4 additions and 1 deletions
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5
osal/allocator/allocator_dma_heap.c
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@@ -132,7 +132,10 @@ static int heap_fd_open(DmaHeapType type)
int fd;
snprintf(name, sizeof(name) - 1, "%s%s", heap_path, heap_names[type]);
fd = open(name, O_RDONLY | O_CLOEXEC); // read authority is enough
fd = open(name, O_RDONLY | O_CLOEXEC); // read permission is enough
if (fd <= 0)
mpp_err("dma-heap open %s %s\n", name, strerror(errno));
mpp_assert(fd > 0);
dma_heap_dbg(DMA_HEAP_DEVICE, "open dma heap dev %s fd %d\n", name, fd);