30 lines
689 B
Diff
30 lines
689 B
Diff
From dfca78c8ee1d21d967b3a51d5488a8e8cd818ec4 Mon Sep 17 00:00:00 2001
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From: Pingfan Liu <piliu@redhat.com>
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Date: Thu, 10 Jun 2021 11:13:59 +0800
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Subject: [PATCH 4/6] sysfs.c: don't leak fd if fail in sysfs_read()
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Signed-off-by: Pingfan Liu <piliu@redhat.com>
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---
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sysfs.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/sysfs.c b/sysfs.c
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index f1cdcdc..9ddf50d 100644
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--- a/sysfs.c
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+++ b/sysfs.c
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@@ -17,10 +17,10 @@ hidden char *sysfs_read(char *name)
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int n;
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int fd;
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- fd = open(name, O_RDONLY);
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buf = malloc(SYSFS_BLOCK);
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if (!buf)
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return NULL;
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+ fd = open(name, O_RDONLY);
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n = read(fd, buf, SYSFS_BLOCK - 1);
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close(fd);
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if (n <= 0) {
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--
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2.29.2
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