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fix error handling of mmap() calls (#1283)

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This commit is contained in:
Dominik Maier
2020-06-05 04:30:23 +02:00
committed by GitHub
parent ad80f042c4
commit a4784cc96c
1 changed files with 1 additions and 1 deletions
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qemu/exec.c
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@ -1154,7 +1154,7 @@ void qemu_ram_remap(struct uc_struct *uc, ram_addr_t addr, ram_addr_t length)
area = mmap(vaddr, length, PROT_READ | PROT_WRITE, area = mmap(vaddr, length, PROT_READ | PROT_WRITE,
flags, -1, 0); flags, -1, 0);
} }
if (area != vaddr) { if (area == MAP_FAILED || area != vaddr) {
fprintf(stderr, "Could not remap addr: " fprintf(stderr, "Could not remap addr: "
RAM_ADDR_FMT "@" RAM_ADDR_FMT "\n", RAM_ADDR_FMT "@" RAM_ADDR_FMT "\n",
length, addr); length, addr);