From: Kyle McMartin <k...@redhat.com>
Commit 77c1ff3982c6b36961725dd19e872a1c07df7f3b fixed the userspace
pointer dereference, but introduced another bug pointed out by Eugene Teo
in RH bug #564264. Instead of comparing the point we were at in the string,
we instead compared the beginning of the string to "default".
Signed-off-by: Kyle McMartin <k...@redhat.com>
Reported-by: Eugene Teo <e...@redhat.com>
---
drivers/gpu/vga/vgaarb.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c
index 24b56dc..2f6cf69 100644
--- a/drivers/gpu/vga/vgaarb.c
+++ b/drivers/gpu/vga/vgaarb.c
@@ -961,7 +961,7 @@ static ssize_t vga_arb_write(struct file *file, const char
__user * buf,
remaining -= 7;
pr_devel("client 0x%p called 'target'\n", priv);
/* if target is default */
- if (!strncmp(kbuf, "default", 7))
+ if (!strncmp(curr_pos, "default", 7))
pdev = pci_dev_get(vga_default_device());
else {
if (!vga_pci_str_to_vars(curr_pos, remaining,
--
1.6.6
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