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packagefs: ReadAttribute with user_memcpy().

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This commit is contained in:
Jérôme Duval
2018-01-10 18:26:24 +00:00
committed by waddlesplash
parent 6ba5b421a3
commit 149553d727
1 changed files with 4 additions and 2 deletions
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src/add-ons/kernel/file_systems/packagefs/nodes/AutoPackageAttributes.cpp
+4 -2
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@@ -53,8 +53,10 @@ public:
if (offset + (off_t)toCopy > size) if (offset + (off_t)toCopy > size)
toCopy = size - offset; toCopy = size - offset;
if (toCopy > 0) if (toCopy > 0 && user_memcpy(buffer, (const uint8*)value + offset,
memcpy(buffer, (const uint8*)value + offset, toCopy); toCopy) < B_OK) {
return B_BAD_ADDRESS;
}
*bufferSize = toCopy; *bufferSize = toCopy;
return B_OK; return B_OK;