[git commit] smemcap: keep outputting by ignoring transient processes

[Denys Vlasenko]

commit: https://git.busybox.net/busybox/commit/?id=9a2621a3b9243919921935f0e3eff6d942379e77
branch: https://git.busybox.net/busybox/commit/?id=refs/heads/master

function                                             old     new   delta
archivefile                                          167     176      +9

Signed-off-by: Andre Goddard Rosa <andre.rosa at lge.com>
Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
 procps/smemcap.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/procps/smemcap.c b/procps/smemcap.c
index 81f4cafad..96b565f59 100644
--- a/procps/smemcap.c
+++ b/procps/smemcap.c
@@ -66,6 +66,10 @@ static void archivefile(const char *path)
 
 	/* buffer the file */
 	fd = xopen(path, O_RDONLY);
+	if (fd == -1) {
+		/* skip vanished processes between dir listing and traversal */
+		return;
+	}
 	do {
 		cur = xzalloc(sizeof(*cur));
 		*prev = cur;