An earlier client from an old test may still be lingering and disappear
as we scan the sysfs. Be graceful and let it go without tripping over it.
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
tests/i915/sysfs_clients.c | 19 +++++++++----------
1 file changed, 9 insertions(+), 10 deletions(-)
diff --git a/tests/i915/sysfs_clients.c b/tests/i915/sysfs_clients.c
index 6be52c04f..a3a1f81e1 100644
--- a/tests/i915/sysfs_clients.c
+++ b/tests/i915/sysfs_clients.c
@@ -62,11 +62,13 @@
static void strterm(char *s, int len)
{
- igt_assert(len > 0);
-
- s[len] = '\0';
- if (s[len - 1] == '\n')
- s[len - 1] = '\0';
+ if (len < 0) {
+ *s = '\0';
+ } else {
+ s[len] = '\0';
+ if (s[len - 1] == '\n')
+ s[len - 1] = '\0';
+ }
}
static void pidname(int i915, int clients)
@@ -78,7 +80,6 @@ static void pidname(int i915, int clients)
long count;
pid_t pid;
DIR *dir;
- int len;
dir = fdopendir(dup(clients));
igt_assert(dir);
@@ -90,13 +91,11 @@ static void pidname(int i915, int clients)
continue;
snprintf(buf, sizeof(buf), "%s/name", de->d_name);
- len = igt_sysfs_read(clients, buf, buf, sizeof(buf) - 1);
- igt_assert_f(len > 0, "failed to open '%s/name'\n", de->d_name);
- strterm(buf, len);
+ strterm(buf, igt_sysfs_read(clients, buf, buf, sizeof(buf) -
1));
igt_debug("%s: %s\n", de->d_name, buf);
/* Ignore closed clients created by drm_driver_open() */
- if (*buf == '<')
+ if (*buf == '\0' || *buf == '<')
continue;
close(me);
--
2.30.0
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