avicap32: Fail gracefully if V4L is unavailable.

Signed-off-by: Brendan Shanks <bshanks@codeweavers.com>

avicap32: Fail gracefully if V4L is unavailable.
ff31e132 · Brendan Shanks · Alexandre Julliard · aa0186be · ff31e132
Commit ff31e132 authored Jun 01, 2022 by Brendan Shanks Committed by Alexandre Julliard Jun 03, 2022
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avicap32_main.c dlls/avicap32/avicap32_main.c +1 -1

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--- a/dlls/avicap32/avicap32_main.c
+++ b/dlls/avicap32/avicap32_main.c
@@ -125,7 +125,7 @@ BOOL VFWAPI capGetDriverDescriptionW(WORD index, WCHAR *name, int name_len, WCHA
    struct get_device_desc_params params;
    params.index = index;
-    if (__wine_unix_call(unix_handle, unix_get_device_desc, &params))
+    if (!unix_handle || __wine_unix_call(unix_handle, unix_get_device_desc, &params))
        return FALSE;
    TRACE("Found device name %s, version %s.\n", debugstr_w(params.name), debugstr_w(params.version));