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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-02-19 08:01:16 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-02-21 13:57:27 +0100 |
| commit | 50a0821c820342c3b64b9c2ebb12150c3a8b0d8b (patch) | |
| tree | 038f066ed78251330dfaa2328ae3ba5bdf4cbe60 | |
| parent | c02c52036e6d68341f7e834d83166f3d50b27503 (diff) | |
Revert "vfio/platform: check the bounds of read/write syscalls"
This reverts commit 03844b1908114680ca35fa0a0aba3d906a6d78af.
It had been committed multiple times to the tree, and isn't needed
again.
Link: https://lore.kernel.org/r/a082db2605514513a0a8568382d5bd2b6f1877a0.camel@cyberus-technology.de
Reported-by: Stefan Nürnberger <stefan.nuernberger@cyberus-technology.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/vfio/platform/vfio_platform_common.c | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/drivers/vfio/platform/vfio_platform_common.c b/drivers/vfio/platform/vfio_platform_common.c index d63c2d266d07..3bf1043cd795 100644 --- a/drivers/vfio/platform/vfio_platform_common.c +++ b/drivers/vfio/platform/vfio_platform_common.c @@ -393,11 +393,6 @@ static ssize_t vfio_platform_read_mmio(struct vfio_platform_region *reg, count = min_t(size_t, count, reg->size - off); - if (off >= reg->size) - return -EINVAL; - - count = min_t(size_t, count, reg->size - off); - if (!reg->ioaddr) { reg->ioaddr = ioremap(reg->addr, reg->size); @@ -482,11 +477,6 @@ static ssize_t vfio_platform_write_mmio(struct vfio_platform_region *reg, count = min_t(size_t, count, reg->size - off); - if (off >= reg->size) - return -EINVAL; - - count = min_t(size_t, count, reg->size - off); - if (!reg->ioaddr) { reg->ioaddr = ioremap(reg->addr, reg->size); |