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apps: zynq7: check NULL pointer in mmap()

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Check if pointer is NULL in mmap() before writing to it.

Signed-off-by: Wendy Liang <wendy.liang@xilinx.com>
This commit is contained in:
Wendy Liang
2018-10-30 15:00:17 -07:00
parent e39bf087c8
commit c5763fc095
1 changed files with 2 additions and 1 deletions
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apps/machine/zynq7/zynq_a9_rproc.c
+2 -1
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@@ -130,7 +130,8 @@ zynq_a9_proc_mmap(struct remoteproc *rproc, metal_phys_addr_t *pa,
remoteproc_add_mem(rproc, mem);
*pa = lpa;
*da = lda;
*io = tmpio;
if (io)
*io = tmpio;
return metal_io_phys_to_virt(tmpio, mem->pa);
}