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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 03:21:31 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 03:21:31 +0000 |
commit | 5dca02f2ee931aef66bb21dd8067c8b1af1e0d3e (patch) | |
tree | 6581b770eb1bd6cac1252a5451b89c092ea4c797 /drivers/ntb | |
parent | Adding debian version 4.19.249-2. (diff) | |
download | linux-5dca02f2ee931aef66bb21dd8067c8b1af1e0d3e.tar.xz linux-5dca02f2ee931aef66bb21dd8067c8b1af1e0d3e.zip |
Merging upstream version 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; |