Alex Henrie : twain_32: Handle realloc failure in twain_add_onedriver (cppcheck).

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 3e5a956563213b7c5a22d33445019b0e98a22e66
URL:    https://gitlab.winehq.org/wine/wine/-/commit/3e5a956563213b7c5a22d33445019b0...

Author: Alex Henrie <alexhenrie24(a)gmail.com>
Date:   Sun Dec 11 22:50:34 2022 -0700

twain_32: Handle realloc failure in twain_add_onedriver (cppcheck).

---

 dlls/twain_32/dsm_ctrl.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/dlls/twain_32/dsm_ctrl.c b/dlls/twain_32/dsm_ctrl.c
index 6854093017a..13503e6772c 100644
--- a/dlls/twain_32/dsm_ctrl.c
+++ b/dlls/twain_32/dsm_ctrl.c
@@ -53,6 +53,7 @@ twain_add_onedriver(const WCHAR *dsname) {
 	DSENTRYPROC	dsEntry;
 	TW_IDENTITY	fakeOrigin;
 	TW_IDENTITY	sourceId;
+	struct all_devices *new_devices;
 	TW_UINT16	ret;
         WCHAR path[MAX_PATH];
 
@@ -89,7 +90,10 @@ twain_add_onedriver(const WCHAR *dsname) {
 		}
 		if (i < nrdevices)
 			break;
-                devices = realloc( devices, sizeof(devices[0])*(nrdevices+1) );
+		new_devices = realloc( devices, sizeof(devices[0]) * (nrdevices + 1) );
+		if (!new_devices)
+			break;
+		devices = new_devices;
 		devices[nrdevices].modname = wcsdup( path );
 		devices[nrdevices].identity = sourceId;
 		nrdevices++;