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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 03:21:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 03:21:30 +0000 |
| commit | a72bbcd13c515079b13dfcc3f57e933f28235f48 (patch) | |
| tree | fd02a5f7642fbfb3141c285aa63a8f397fe41d76 /drivers/ntb | |
| parent | Adding upstream version 4.19.249. (diff) | |
| download | linux-a72bbcd13c515079b13dfcc3f57e933f28235f48.tar.xz linux-a72bbcd13c515079b13dfcc3f57e933f28235f48.zip | |
Adding upstream version 4.19.260.upstream/4.19.260
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/ntb')
| -rw-r--r-- | drivers/ntb/test/ntb_tool.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/ntb/test/ntb_tool.c b/drivers/ntb/test/ntb_tool.c index 311d6ab8d..6301aa413 100644 --- a/drivers/ntb/test/ntb_tool.c +++ b/drivers/ntb/test/ntb_tool.c @@ -367,14 +367,16 @@ static ssize_t tool_fn_write(struct tool_ctx *tc, u64 bits; int n; + if (*offp) + return 0; + buf = kmalloc(size + 1, GFP_KERNEL); if (!buf) return -ENOMEM; - ret = simple_write_to_buffer(buf, size, offp, ubuf, size); - if (ret < 0) { + if (copy_from_user(buf, ubuf, size)) { kfree(buf); - return ret; + return -EFAULT; } buf[size] = 0; |