diff options
Diffstat (limited to 'linux-user/syscall.c')
| -rw-r--r-- | linux-user/syscall.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 8cbe4499b2..6a38542cb1 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -4947,6 +4947,9 @@ static inline abi_ulong do_shmat(CPUArchState *cpu_env, static inline abi_long do_shmdt(abi_ulong shmaddr) { int i; + abi_long rv; + + mmap_lock(); for (i = 0; i < N_SHM_REGIONS; ++i) { if (shm_regions[i].in_use && shm_regions[i].start == shmaddr) { @@ -4955,8 +4958,11 @@ static inline abi_long do_shmdt(abi_ulong shmaddr) break; } } + rv = get_errno(shmdt(g2h(shmaddr))); + + mmap_unlock(); - return get_errno(shmdt(g2h(shmaddr))); + return rv; } #ifdef TARGET_NR_ipc |