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DiskProbe: Check we actually have a buffer before computing the offset.

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Fixes #17709.
This commit is contained in:
Augustin Cavalier 2022-04-25 19:16:28 -04:00
parent 925b83a85a
commit acdd772db0
1 changed files with 3 additions and 1 deletions
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4
src/apps/diskprobe/DataEditor.cpp
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@ -1062,8 +1062,10 @@ DataEditor::GetViewBuffer(const uint8 **_buffer)
debugger("DataEditor: view not locked"); debugger("DataEditor: view not locked");
status_t status = UpdateIfNeeded(); status_t status = UpdateIfNeeded();
if (status < B_OK) if (status != B_OK)
return status; return status;
if (fView == NULL)
return B_NO_INIT;
*_buffer = fView + fViewOffset - fRealViewOffset; *_buffer = fView + fViewOffset - fRealViewOffset;
return B_OK; return B_OK;