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linux-user: change do_semop to return target errno when unsuccessful

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do_semop() is called from two places, and one of these fails to convert
return error to target errno when semop fails. This patch changes the
function to always return target errno in case of an unsuccessful call.

Signed-off-by: Petar Jovanovic <petar.jovanovic@imgtec.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Petar Jovanovic 2013-03-21 18:57:36 +01:00 committed by Stefan Hajnoczi
parent 7f1721dfb7
commit 40508bb424
1 changed files with 2 additions and 2 deletions
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4
linux-user/syscall.c
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@ -2764,7 +2764,7 @@ static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
if (target_to_host_sembuf(sops, ptr, nsops))
return -TARGET_EFAULT;
return semop(semid, sops, nsops);
return get_errno(semop(semid, sops, nsops));
}
struct target_msqid_ds
@ -6957,7 +6957,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
#endif
#ifdef TARGET_NR_semop
case TARGET_NR_semop:
ret = get_errno(do_semop(arg1, arg2, arg3));
ret = do_semop(arg1, arg2, arg3);
break;
#endif
#ifdef TARGET_NR_semctl