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authorJesper Juhl <jesper.juhl@gmail.com>2007-07-20 00:31:48 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-20 08:44:20 -0700
commit178554ae75739e91dc4d7c3e42a3db95448cc5bf (patch)
tree12c9ec848b2c6b463c4f12801e802ee75ff31311
parent22982a5687d8abf7bafe6d307585464f47089f18 (diff)
downloadlinux-linaro-178554ae75739e91dc4d7c3e42a3db95448cc5bf.tar.gz
Memory leak in tpm_ascii_bios_measurements_open()
Coverity found a memory leak in tpm_ascii_bios_measurements_open(). If "read_log(log)" fails, then we may leak 'log' and 'log->bios_event_log'. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Cc: Seiji Munetoh <munetoh@jp.ibm.com> Cc: Stefan Berger <stefanb@us.ibm.com> Cc: Reiner Sailer <sailer@watson.ibm.com> Cc: Kylene Hall <kjhall@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--drivers/char/tpm/tpm_bios.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/char/tpm/tpm_bios.c b/drivers/char/tpm/tpm_bios.c
index 4eba32b23b2..4b26ce48189 100644
--- a/drivers/char/tpm/tpm_bios.c
+++ b/drivers/char/tpm/tpm_bios.c
@@ -427,7 +427,7 @@ static int tpm_ascii_bios_measurements_open(struct inode *inode,
return -ENOMEM;
if ((err = read_log(log)))
- return err;
+ goto out_free;
/* now register seq file */
err = seq_open(file, &tpm_ascii_b_measurments_seqops);
@@ -435,10 +435,15 @@ static int tpm_ascii_bios_measurements_open(struct inode *inode,
seq = file->private_data;
seq->private = log;
} else {
- kfree(log->bios_event_log);
- kfree(log);
+ goto out_free;
}
+
+out:
return err;
+out_free:
+ kfree(log->bios_event_log);
+ kfree(log);
+ goto out;
}
const struct file_operations tpm_ascii_bios_measurements_ops = {