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Kernel: Zero-length dbgputstr() should just return 0

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This commit is contained in:
Andreas Kling 2019-08-09 19:44:14 +02:00
parent 2c947a2c97
commit a720061423
1 changed files with 2 additions and 0 deletions
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2
Kernel/Process.cpp
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@ -2831,6 +2831,8 @@ int Process::sys$dbgputch(u8 ch)
int Process::sys$dbgputstr(const u8* characters, int length) int Process::sys$dbgputstr(const u8* characters, int length)
{ {
if (!length)
return 0;
if (!validate_read(characters, length)) if (!validate_read(characters, length))
return -EFAULT; return -EFAULT;
for (int i = 0; i < length; ++i) for (int i = 0; i < length; ++i)