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Re: [PATCH 3/4] virtiofsd: load_capng missing unlock
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From: |
Philippe Mathieu-Daudé |
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Subject: |
Re: [PATCH 3/4] virtiofsd: load_capng missing unlock |
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Date: |
Tue, 4 Feb 2020 13:05:22 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 |
Hi David,
On 2/4/20 12:05 PM, Dr. David Alan Gilbert (git) wrote:
From: "Dr. David Alan Gilbert" <address@hidden>
Missing unlock in error path.
Fixes: Covertiy CID 1413123
Signed-off-by: Dr. David Alan Gilbert <address@hidden>
---
tools/virtiofsd/passthrough_ll.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough_ll.c
index e6f2399efc..c635fc8820 100644
--- a/tools/virtiofsd/passthrough_ll.c
+++ b/tools/virtiofsd/passthrough_ll.c
@@ -232,6 +232,7 @@ static int load_capng(void)
*/
cap.saved = capng_save_state();
if (!cap.saved) {
+ pthread_mutex_unlock(&cap.mutex);
fuse_log(FUSE_LOG_ERR, "capng_save_state (thread)\n");
return -EINVAL;
}
What about moving the unlock call?
-- >8 --
--- a/tools/virtiofsd/passthrough_ll.c
+++ b/tools/virtiofsd/passthrough_ll.c
@@ -231,11 +231,11 @@ static int load_capng(void)
* so make another.
*/
cap.saved = capng_save_state();
+ pthread_mutex_unlock(&cap.mutex);
if (!cap.saved) {
fuse_log(FUSE_LOG_ERR, "capng_save_state (thread)\n");
return -EINVAL;
}
- pthread_mutex_unlock(&cap.mutex);
/*
* We want to use the loaded state for our pid,
---