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authorTom Gundersen <teg@jklm.no>2015-06-02 16:52:07 +0200
committerTom Gundersen <teg@jklm.no>2015-06-02 18:12:47 +0200
commit3b64e4d4f40baac56148c7d333d6a0053358ec7a (patch)
tree770d251059fd20ee9a4ed7510f639a716367c7b0 /src/udev
parent7283a80d10217b929acf58899f016ca06dacdc53 (diff)
udev: add some asserts
Mostly for documentation purposes.
Diffstat (limited to 'src/udev')
-rw-r--r--src/udev/net/link-config.c4
-rw-r--r--src/udev/udev-builtin-hwdb.c2
-rw-r--r--src/udev/udev-builtin-input_id.c2
-rw-r--r--src/udev/udev-builtin-keyboard.c6
-rw-r--r--src/udev/udev-builtin-net_id.c12
-rw-r--r--src/udev/udev-builtin-path_id.c27
-rw-r--r--src/udev/udev-builtin-usb_id.c2
-rw-r--r--src/udev/udev-event.c2
-rw-r--r--src/udev/udev-rules.c3
-rw-r--r--src/udev/udevd.c2
10 files changed, 62 insertions, 0 deletions
diff --git a/src/udev/net/link-config.c b/src/udev/net/link-config.c
index ce038abee5..5610b2808e 100644
--- a/src/udev/net/link-config.c
+++ b/src/udev/net/link-config.c
@@ -240,6 +240,10 @@ int link_config_get(link_config_ctx *ctx, struct udev_device *device,
link_config **ret) {
link_config *link;
+ assert(ctx);
+ assert(device);
+ assert(ret);
+
LIST_FOREACH(links, link, ctx->links) {
const char* attr_value;
diff --git a/src/udev/udev-builtin-hwdb.c b/src/udev/udev-builtin-hwdb.c
index 5e0e7ebb11..7dfc74e6fa 100644
--- a/src/udev/udev-builtin-hwdb.c
+++ b/src/udev/udev-builtin-hwdb.c
@@ -85,6 +85,8 @@ static int udev_builtin_hwdb_search(struct udev_device *dev, struct udev_device
bool last = false;
int r = 0;
+ assert(dev);
+
for (d = srcdev; d && !last; d = udev_device_get_parent(d)) {
const char *dsubsys;
const char *modalias = NULL;
diff --git a/src/udev/udev-builtin-input_id.c b/src/udev/udev-builtin-input_id.c
index b14190e423..6d06cef07c 100644
--- a/src/udev/udev-builtin-input_id.c
+++ b/src/udev/udev-builtin-input_id.c
@@ -268,6 +268,8 @@ static int builtin_input_id(struct udev_device *dev, int argc, char *argv[], boo
bool is_pointer;
bool is_key;
+ assert(dev);
+
/* walk up the parental chain until we find the real input device; the
* argument is very likely a subdevice of this, like eventN */
pdev = dev;
diff --git a/src/udev/udev-builtin-keyboard.c b/src/udev/udev-builtin-keyboard.c
index ed990c58fb..01f3879f37 100644
--- a/src/udev/udev-builtin-keyboard.c
+++ b/src/udev/udev-builtin-keyboard.c
@@ -37,6 +37,9 @@ static int install_force_release(struct udev_device *dev, const unsigned *releas
unsigned i;
int ret;
+ assert(dev);
+ assert(release);
+
atkbd = udev_device_get_parent_with_subsystem_devtype(dev, "serio", NULL);
if (!atkbd)
return -ENODEV;
@@ -152,6 +155,9 @@ static void set_trackpoint_sensitivity(struct udev_device *dev, const char *valu
char val_s[DECIMAL_STR_MAX(int)];
int r, val_i;
+ assert(dev);
+ assert(value);
+
/* The sensitivity sysfs attr belongs to the serio parent device */
pdev = udev_device_get_parent_with_subsystem_devtype(dev, "serio", NULL);
if (!pdev) {
diff --git a/src/udev/udev-builtin-net_id.c b/src/udev/udev-builtin-net_id.c
index 448920507a..6e7e1271fb 100644
--- a/src/udev/udev-builtin-net_id.c
+++ b/src/udev/udev-builtin-net_id.c
@@ -276,6 +276,9 @@ out:
static int names_pci(struct udev_device *dev, struct netnames *names) {
struct udev_device *parent;
+ assert(dev);
+ assert(names);
+
parent = udev_device_get_parent(dev);
if (!parent)
return -ENOENT;
@@ -302,6 +305,9 @@ static int names_usb(struct udev_device *dev, struct netnames *names) {
size_t l;
char *s;
+ assert(dev);
+ assert(names);
+
usbdev = udev_device_get_parent_with_subsystem_devtype(dev, "usb", "usb_interface");
if (!usbdev)
return -ENOENT;
@@ -350,6 +356,9 @@ static int names_bcma(struct udev_device *dev, struct netnames *names) {
struct udev_device *bcmadev;
unsigned int core;
+ assert(dev);
+ assert(names);
+
bcmadev = udev_device_get_parent_with_subsystem_devtype(dev, "bcma", NULL);
if (!bcmadev)
return -ENOENT;
@@ -371,6 +380,9 @@ static int names_ccw(struct udev_device *dev, struct netnames *names) {
size_t bus_id_len;
int rc;
+ assert(dev);
+ assert(names);
+
/* Retrieve the associated CCW device */
cdev = udev_device_get_parent(dev);
if (!cdev)
diff --git a/src/udev/udev-builtin-path_id.c b/src/udev/udev-builtin-path_id.c
index b6749aab76..0fa11f6230 100644
--- a/src/udev/udev-builtin-path_id.c
+++ b/src/udev/udev-builtin-path_id.c
@@ -77,6 +77,9 @@ static int format_lun_number(struct udev_device *dev, char **path) {
static struct udev_device *skip_subsystem(struct udev_device *dev, const char *subsys) {
struct udev_device *parent = dev;
+ assert(dev);
+ assert(subsys);
+
while (parent != NULL) {
const char *subsystem;
@@ -96,6 +99,9 @@ static struct udev_device *handle_scsi_fibre_channel(struct udev_device *parent,
const char *port;
char *lun = NULL;
+ assert(parent);
+ assert(path);
+
targetdev = udev_device_get_parent_with_subsystem_devtype(parent, "scsi", "scsi_target");
if (targetdev == NULL)
return NULL;
@@ -126,6 +132,9 @@ static struct udev_device *handle_scsi_sas_wide_port(struct udev_device *parent,
const char *sas_address;
char *lun = NULL;
+ assert(parent);
+ assert(path);
+
targetdev = udev_device_get_parent_with_subsystem_devtype(parent, "scsi", "scsi_target");
if (targetdev == NULL)
return NULL;
@@ -169,6 +178,9 @@ static struct udev_device *handle_scsi_sas(struct udev_device *parent, char **pa
const char *phy_count;
char *lun = NULL;
+ assert(parent);
+ assert(path);
+
targetdev = udev_device_get_parent_with_subsystem_devtype(parent, "scsi", "scsi_target");
if (targetdev == NULL)
return NULL;
@@ -259,6 +271,9 @@ static struct udev_device *handle_scsi_iscsi(struct udev_device *parent, char **
const char *port;
char *lun = NULL;
+ assert(parent);
+ assert(path);
+
/* find iscsi session */
transportdev = parent;
for (;;) {
@@ -316,6 +331,9 @@ static struct udev_device *handle_scsi_default(struct udev_device *parent, char
struct dirent *dent;
int basenum;
+ assert(parent);
+ assert(path);
+
hostdev = udev_device_get_parent_with_subsystem_devtype(parent, "scsi", "scsi_host");
if (hostdev == NULL)
return NULL;
@@ -398,6 +416,9 @@ static struct udev_device *handle_scsi_hyperv(struct udev_device *parent, char *
char guid[38];
size_t i, k;
+ assert(parent);
+ assert(path);
+
hostdev = udev_device_get_parent_with_subsystem_devtype(parent, "scsi", "scsi_host");
if (!hostdev)
return NULL;
@@ -555,6 +576,10 @@ static struct udev_device *handle_bcma(struct udev_device *parent, char **path)
static struct udev_device *handle_ccw(struct udev_device *parent, struct udev_device *dev, char **path) {
struct udev_device *scsi_dev;
+ assert(parent);
+ assert(dev);
+ assert(path);
+
scsi_dev = udev_device_get_parent_with_subsystem_devtype(dev, "scsi", "scsi_device");
if (scsi_dev != NULL) {
const char *wwpn;
@@ -582,6 +607,8 @@ static int builtin_path_id(struct udev_device *dev, int argc, char *argv[], bool
bool supported_transport = false;
bool supported_parent = false;
+ assert(dev);
+
/* S390 ccw bus */
parent = udev_device_get_parent_with_subsystem_devtype(dev, "ccw", NULL);
if (parent != NULL) {
diff --git a/src/udev/udev-builtin-usb_id.c b/src/udev/udev-builtin-usb_id.c
index 462efc5c86..d309dc31cb 100644
--- a/src/udev/udev-builtin-usb_id.c
+++ b/src/udev/udev-builtin-usb_id.c
@@ -252,6 +252,8 @@ static int builtin_usb_id(struct udev_device *dev, int argc, char *argv[], bool
size_t l;
char *s;
+ assert(dev);
+
/* shortcut, if we are called directly for a "usb_device" type */
if (udev_device_get_devtype(dev) != NULL && streq(udev_device_get_devtype(dev), "usb_device")) {
dev_if_packed_info(dev, packed_if_str, sizeof(packed_if_str));
diff --git a/src/udev/udev-event.c b/src/udev/udev-event.c
index a5c3edbff8..3488ff3370 100644
--- a/src/udev/udev-event.c
+++ b/src/udev/udev-event.c
@@ -119,6 +119,8 @@ size_t udev_event_apply_format(struct udev_event *event, const char *src, char *
char *s;
size_t l;
+ assert(dev);
+
from = src;
s = dest;
l = size;
diff --git a/src/udev/udev-rules.c b/src/udev/udev-rules.c
index 4262119886..c2b20cf547 100644
--- a/src/udev/udev-rules.c
+++ b/src/udev/udev-rules.c
@@ -664,6 +664,9 @@ static int import_parent_into_properties(struct udev_device *dev, const char *fi
struct udev_device *dev_parent;
struct udev_list_entry *list_entry;
+ assert(dev);
+ assert(filter);
+
dev_parent = udev_device_get_parent(dev);
if (dev_parent == NULL)
return -1;
diff --git a/src/udev/udevd.c b/src/udev/udevd.c
index 34e88af539..056cf8c8ee 100644
--- a/src/udev/udevd.c
+++ b/src/udev/udevd.c
@@ -401,6 +401,8 @@ static void worker_spawn(Manager *manager, struct event *event) {
struct udev_event *udev_event;
int fd_lock = -1;
+ assert(dev);
+
log_debug("seq %llu running", udev_device_get_seqnum(dev));
udev_event = udev_event_new(dev);
if (udev_event == NULL) {