[PATCH V2 03/12] zap_sector: fix memory leak
From: Wu Guanghao <hidden>
Date: 2021-05-31 01:26:40
Subsystem:
the rest · Maintainer:
Linus Torvalds
In zap_sector(), need free buf before return, otherwise it will cause memory leak. Signed-off-by: Wu Guanghao <redacted> Signed-off-by: Zhiqiang Liu <redacted> Reviewed-by: Wu Bo <redacted> --- misc/mke2fs.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/misc/mke2fs.c b/misc/mke2fs.c
index afbcf486..2f229534 100644
--- a/misc/mke2fs.c
+++ b/misc/mke2fs.c@@ -585,8 +585,10 @@ static void zap_sector(ext2_filsys fs, int sect, int nsect) else { magic = (unsigned int *) (buf + BSD_LABEL_OFFSET); if ((*magic == BSD_DISKMAGIC) || - (*magic == BSD_MAGICDISK)) + (*magic == BSD_MAGICDISK)) { + free(buf); return; + } } }
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