Kernel: Make sys$anon_create() fail if size == 0 · f5d916a881 - git.nibbletools.com by Gogs

Kernel: Make sys$anon_create() fail if size == 0

An empty anonymous file is useless since it cannot be resized anyway,
so let's not support creating it.

Andreas Kling 4 years ago

parent

02cca92763

commit

f5d916a881

1 changed files with 3 additions and 0 deletions

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							+ 3
							
							- 0
						
Kernel/Syscalls/anon_create.cpp
							 
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				@@ -35,6 +35,9 @@ int Process::sys$anon_create(size_t size, int options)
			
				 {
			
				     REQUIRE_PROMISE(stdio);
			
				+    if (!size)
			
				+        return -EINVAL;
			
				+
			
				     if (size % PAGE_SIZE)
			
				         return -EINVAL;