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authorJeff Garzik <jeff@garzik.org>2006-04-12 16:54:43 -0400
committerJeff Garzik <jeff@garzik.org>2006-04-12 16:54:43 -0400
commita890b15c0990cc8d686edcc85f5fccde71ad5ce9 (patch)
tree73162355b58283a2531f13fbbf663809f95c1483 /arch/um/drivers/net_user.c
parent79fa1b677be3a985cc66b9218a4dd09818f1051b (diff)
parent26ec634c31a11a003040e10b4d650495158632fd (diff)
Merge branch 'upstream'
Diffstat (limited to 'arch/um/drivers/net_user.c')
-rw-r--r--arch/um/drivers/net_user.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/um/drivers/net_user.c b/arch/um/drivers/net_user.c
index 0e2f06187ea..0a7786e00cf 100644
--- a/arch/um/drivers/net_user.c
+++ b/arch/um/drivers/net_user.c
@@ -182,7 +182,9 @@ static int change_tramp(char **argv, char *output, int output_len)
pe_data.stdout = fds[1];
pid = run_helper(change_pre_exec, &pe_data, argv, NULL);
- read_output(fds[0], output, output_len);
+ if (pid > 0) /* Avoid hang as we won't get data in failure case. */
+ read_output(fds[0], output, output_len);
+
os_close_file(fds[0]);
os_close_file(fds[1]);