allocation may fail, prevent a dereference of NULL.
Signed-off-by: Roel Kluin <roel.kluin@xxxxxxxxx>
---
diff --git a/drivers/staging/comedi/drivers/serial2002.c b/drivers/staging/comedi/drivers/serial2002.c
index db18b11..e12f185 100644
--- a/drivers/staging/comedi/drivers/serial2002.c
+++ b/drivers/staging/comedi/drivers/serial2002.c
@@ -622,6 +622,8 @@ static void serial_2002_open(struct comedi_device *dev)
s->maxdata_list = maxdata_list =
kmalloc(sizeof(unsigned int) * s->n_chan,
GFP_KERNEL);
+ if (maxdata_list == NULL)
+ continue;
if (s->range_table_list) {
kfree(s->range_table_list);
}
@@ -631,6 +633,8 @@ static void serial_2002_open(struct comedi_device *dev)
kmalloc(sizeof
(struct serial2002_range_table_t) *
s->n_chan, GFP_KERNEL);
+ if (range_table_list == NULL)
+ continue;
}
for (chan = 0, j = 0; j < 32; j++) {
if (c[j].kind == kind) {
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