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[PULL,07/11] linux-user: translate resource also for prlimit64

Message ID 95018018caeea209f58695645fd1d50a9d0ba6df.1422392096.git.riku.voipio@linaro.org
State Accepted
Commit 95018018caeea209f58695645fd1d50a9d0ba6df
Headers show

Commit Message

Riku Voipio Jan. 27, 2015, 9:07 p.m. UTC 
From: Felix Janda <felix.janda@posteo.de>

The resource argument is translated from host to target for
[gs]etprlimit but not for prlimit64. Fix this.

Signed-off-by: Felix Janda <felix.janda@posteo.de>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
---
 linux-user/syscall.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index aaac6a2..5658b66 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -9529,6 +9529,7 @@  abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
         /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */
         struct target_rlimit64 *target_rnew, *target_rold;
         struct host_rlimit64 rnew, rold, *rnewp = 0;
+        int resource = target_to_host_resource(arg2);
         if (arg3) {
             if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) {
                 goto efault;
@@ -9539,7 +9540,7 @@  abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
             rnewp = &rnew;
         }
 
-        ret = get_errno(sys_prlimit64(arg1, arg2, rnewp, arg4 ? &rold : 0));
+        ret = get_errno(sys_prlimit64(arg1, resource, rnewp, arg4 ? &rold : 0));
         if (!is_error(ret) && arg4) {
             if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) {
                 goto efault;