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authorUlrich Sibiller <uli42@gmx.de>2021-01-04 17:18:43 +0100
committerUlrich Sibiller <uli42@gmx.de>2021-01-15 19:50:36 +0100
commit7443fea69f89fda3c36e99dc5ff07731020e8891 (patch)
tree347178a00db63547abc0283e9c848c6d19d19a95
parente664d82019ef2a876cc325c746b4e7521b9c1910 (diff)
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Keyboard.c: fix possible NULL pointer dereference
found by PVS Studio: "V522 There might be dereferencing of a potential null pointer 'keymap'."
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Keyboard.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Keyboard.c b/nx-X11/programs/Xserver/hw/nxagent/Keyboard.c
index 8f29d66b8..731844874 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Keyboard.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Keyboard.c
@@ -435,6 +435,11 @@ N/A
int len = (max_keycode - min_keycode + 1) * mapWidth;
keymap = (KeySym *)malloc(len * sizeof(KeySym));
+ if (keymap == NULL)
+ {
+ XFreeModifiermap(modifier_keymap);
+ return -1;
+ }
for(int i = 0; i < len; ++i)
{
keymap[i] = keymap64[i];