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authorRichard Henderson <richard.henderson@linaro.org>2024-02-13 10:40:57 -1000
committerRichard Henderson <richard.henderson@linaro.org>2024-02-29 11:35:37 -1000
commit3bfa271e46b506b2ceff41e3b258ad2ddeb25bc3 (patch)
tree69c4a0d41cf82e1e2b183d364a1975e9d82bab82 /linux-user/mmap.c
parent2952b642a555207748dd961fcbfdc48f198eebb6 (diff)
linux-user: Use do_munmap for target_mmap failure
For the cases for which the host mmap succeeds, but does not yield the desired address, use do_munmap to restore the reserved_va memory reservation. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'linux-user/mmap.c')
-rw-r--r--linux-user/mmap.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/linux-user/mmap.c b/linux-user/mmap.c
index 8ebcca4444..cbcd31e941 100644
--- a/linux-user/mmap.c
+++ b/linux-user/mmap.c
@@ -326,7 +326,7 @@ static bool mmap_frag(abi_ulong real_start, abi_ulong start, abi_ulong last,
flags | MAP_ANONYMOUS, -1, 0);
if (p != host_start) {
if (p != MAP_FAILED) {
- munmap(p, host_page_size);
+ do_munmap(p, host_page_size);
errno = EEXIST;
}
return false;
@@ -622,7 +622,7 @@ static abi_long target_mmap__locked(abi_ulong start, abi_ulong len,
p = mmap(g2h_untagged(start), len, host_prot,
flags | MAP_FIXED, fd, host_offset);
if (p == MAP_FAILED) {
- munmap(g2h_untagged(start), host_len);
+ do_munmap(g2h_untagged(start), host_len);
return -1;
}
host_start += offset - host_offset;
@@ -735,7 +735,7 @@ static abi_long target_mmap__locked(abi_ulong start, abi_ulong len,
flags, fd, offset1);
if (p != want_p) {
if (p != MAP_FAILED) {
- munmap(p, len1);
+ do_munmap(p, len1);
errno = EEXIST;
}
return -1;