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Kernel: Use copy_to_user() in sys$gettimeofday()

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This commit is contained in:
Andreas Kling 2020-05-16 11:21:12 +02:00
parent 3a92d0828d
commit 426c4e387d
1 changed files with 4 additions and 3 deletions
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7
Kernel/Process.cpp
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@ -2331,12 +2331,13 @@ void kgettimeofday(timeval& tv)
tv = kgettimeofday(); tv = kgettimeofday();
} }
int Process::sys$gettimeofday(timeval* tv) int Process::sys$gettimeofday(timeval* user_tv)
{ {
REQUIRE_PROMISE(stdio); REQUIRE_PROMISE(stdio);
if (!validate_write_typed(tv)) if (!validate_write_typed(user_tv))
return -EFAULT; return -EFAULT;
*tv = kgettimeofday(); auto tv = kgettimeofday();
copy_to_user(user_tv, &tv);
return 0; return 0;
} }