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xfs: fix SMAP violation during file read

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Change-Id: I5106cfeef8e13462ce7402dbe6255f270176d1be
Reviewed-on: https://review.haiku-os.org/c/haiku/+/10332
Tested-by: Commit checker robot <[email protected]>
Reviewed-by: Adrien Destugues <[email protected]>
This commit is contained in:
Raghav Sharma
2026-02-17 07:26:28 +00:00
committed by Adrien Destugues
parent 31c71e72a0
commit 53a3cd8bd5
1 changed files with 4 additions and 4 deletions
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src/add-ons/kernel/file_systems/xfs/Inode.cpp
+4 -4
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@@ -608,7 +608,7 @@ Inode::ReadAt(off_t pos, uint8* buffer, size_t* length)
return B_BAD_VALUE;
}
if (pos >= Size() || length == 0) {
if (pos >= Size() || *length == 0) {
TRACE("inode %" B_PRIdINO ": ReadAt 0 (pos %" B_PRIdOFF
", length %" B_PRIuSIZE ")\n", ID(), pos, *length);
*length = 0;
@@ -671,9 +671,9 @@ Inode::ReadAt(off_t pos, uint8* buffer, size_t* length)
return B_IO_ERROR;
}
memcpy((void*) (buffer + lengthRead),
(void*)(block + offsetIntoBlock), lengthToRead);
if (user_memcpy((void*)(buffer + lengthRead),
(void*)(block + offsetIntoBlock), lengthToRead) < B_OK)
return B_BAD_ADDRESS;
pos += lengthToRead;
*length -= lengthToRead;