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io_channel: add asserts in spdk_io_device_register

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spdk_io_device_register() doesn't have a return value, but we can at
least catch trivial mistakes like neglecting to pass a valid io_device
or create/delete callback in debug builds.

One invalid unit test case that passed NULL for all parameters is
removed, since there's no way to make that work without adding a return
value instead of asserts.

Change-Id: I3dd4c850bdb14957d2dc03209ea9ea44bbe4e616
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/408117
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
Daniel Verkamp 2018-04-17 16:46:16 -07:00
parent 0f99e7ab9e
commit 37039565d0
2 changed files with 4 additions and 7 deletions
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4
lib/util/io_channel.c
View File

@ -303,6 +303,10 @@ spdk_io_device_register(void *io_device, spdk_io_channel_create_cb create_cb,
{
struct io_device *dev, *tmp;
assert(io_device != NULL);
assert(create_cb != NULL);
assert(destroy_cb != NULL);
dev = calloc(1, sizeof(struct io_device));
if (dev == NULL) {
SPDK_ERRLOG("could not allocate io_device\n");

7
test/unit/lib/util/io_channel.c/io_channel_ut.c
View File

@ -353,12 +353,6 @@ destroy_cb_2(void *io_device, void *ctx_buf)
g_destroy_cb_calls++;
}
static int
create_cb_null(void *io_device, void *ctx_buf)
{
return -1;
}
static void
channel(void)
{
@ -368,7 +362,6 @@ channel(void)
spdk_allocate_thread(_send_msg, NULL, NULL, NULL, "thread0");
spdk_io_device_register(&device1, create_cb_1, destroy_cb_1, sizeof(ctx1));
spdk_io_device_register(&device2, create_cb_2, destroy_cb_2, sizeof(ctx2));
spdk_io_device_register(&device3, create_cb_null, NULL, 0);
g_create_cb_calls = 0;
ch1 = spdk_get_io_channel(&device1);