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Kernel: Make KBuffer::try_create_with_bytes() actually copy the bytes

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KBuffers created with this API were actually just zero-filled instead
of being populated with the provided bytes.

Fixes #4493.
This commit is contained in:
Andreas Kling 2020-12-23 00:38:43 +01:00
parent 99d6b3b80b
commit c77dda6827
1 changed files with 1 additions and 0 deletions
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Kernel/KBuffer.h
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@ -63,6 +63,7 @@ public:
return nullptr; return nullptr;
if (!region->commit()) if (!region->commit())
return nullptr; return nullptr;
memcpy(region->vaddr().as_ptr(), bytes.data(), bytes.size());
return adopt(*new KBufferImpl(region.release_nonnull(), bytes.size())); return adopt(*new KBufferImpl(region.release_nonnull(), bytes.size()));
} }