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udev: fix potential memory leak for the phys string

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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2019-10-24 14:27:37 +10:00
parent 727a504e0d
commit 8a75da773e
1 changed files with 7 additions and 4 deletions
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11
udev/libinput-device-group.c
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@ -95,7 +95,7 @@ static void
wacom_handle_ekr(struct udev_device *device,
int *vendor_id,
int *product_id,
const char **phys_attr)
char **phys_attr)
{
struct udev *udev;
struct udev_enumerate *e;
@ -138,7 +138,7 @@ wacom_handle_ekr(struct udev_device *device,
*product_id = pid;
best_dist = dist;
free((char*)*phys_attr);
free(*phys_attr);
*phys_attr = strdup(phys);
}
}
@ -155,8 +155,7 @@ int main(int argc, char **argv)
struct udev *udev = NULL;
struct udev_device *device = NULL;
const char *syspath,
*phys = NULL,
*physmatch = NULL;
*phys = NULL;
const char *product;
int bustype, vendor_id, product_id, version;
char group[1024];
@ -208,6 +207,8 @@ int main(int argc, char **argv)
&version) != 4) {
snprintf(group, sizeof(group), "%s:%s", product, phys);
} else {
char *physmatch = NULL;
#if HAVE_LIBWACOM_GET_PAIRED_DEVICE
if (vendor_id == VENDOR_ID_WACOM) {
if (product_id == PRODUCT_ID_WACOM_EKR)
@ -228,6 +229,8 @@ int main(int argc, char **argv)
vendor_id,
product_id,
physmatch ? physmatch : phys);
free(physmatch);
}
str = strstr(group, "/input");