kernel_thread may fail, notice this.
Signed-off-by: Roel Kluin <roel.kluin@xxxxxxxxx>
---
drivers/s390/net/lcs.c | 23 ++++++++++++++++++-----
1 files changed, 18 insertions(+), 5 deletions(-)
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index 0825be8..3b6f287 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -1736,14 +1736,27 @@ lcs_stopcard(struct lcs_card *card)
static void
lcs_start_kernel_thread(struct work_struct *work)
{
+ int retval;
struct lcs_card *card = container_of(work, struct lcs_card, kernel_thread_starter);
LCS_DBF_TEXT(5, trace, "krnthrd");
- if (lcs_do_start_thread(card, LCS_RECOVERY_THREAD))
- kernel_thread(lcs_recovery, (void *) card, SIGCHLD);
+ if (lcs_do_start_thread(card, LCS_RECOVERY_THREAD)) {
+ retval = kernel_thread(lcs_recovery, card, SIGCHLD);
+ if (retval < 0) {
+ dev_err(&card->dev->dev,
+ "Creating LCS recovery thread failed.\n");
+ return;
+ }
+ }
#ifdef CONFIG_IP_MULTICAST
- if (lcs_do_start_thread(card, LCS_SET_MC_THREAD))
- kernel_thread(lcs_register_mc_addresses,
- (void *) card, SIGCHLD);
+ if (lcs_do_start_thread(card, LCS_SET_MC_THREAD)) {
+ retval = kernel_thread(lcs_register_mc_addresses, card,
+ SIGCHLD);
+ if (retval < 0) {
+ dev_err(&card->dev->dev,
+ "Creating LCS multicast address failed.\n");
+ return;
+ }
+ }
#endif
}
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