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| author | Denys Vlasenko | 2020-12-17 23:38:06 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2020-12-17 23:38:06 +0100 |
| commit | 15733cb48e570716cad6ece2d752507ecd767131 (patch) | |
| tree | 76b2de515344b892b841192e5961b660ff0da656 | |
| parent | 251e08ffa626d4b7c7e5f626aee7067b86b2ceba (diff) | |
| download | busybox-15733cb48e570716cad6ece2d752507ecd767131.zip busybox-15733cb48e570716cad6ece2d752507ecd767131.tar.gz | |
mount: if we race with other loop mount, we forget to close loop dev
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | libbb/loop.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libbb/loop.c b/libbb/loop.c index 1539909..cb8fa24 100644 --- a/libbb/loop.c +++ b/libbb/loop.c @@ -187,7 +187,7 @@ int FAST_FUNC set_loop(char **device, const char *file, unsigned long long offse //TODO: add "if (--failcount != 0) ..."? goto get_free_loopN; } - goto try_next_loopN; + goto close_and_try_next_loopN; } memset(&loopinfo, 0, sizeof(loopinfo)); safe_strncpy((char *)loopinfo.lo_file_name, file, LO_NAME_SIZE); @@ -220,6 +220,7 @@ int FAST_FUNC set_loop(char **device, const char *file, unsigned long long offse ioctl(lfd, LOOP_CLR_FD, 0); // actually, 0 param is unnecessary } /* else: device is not free (rc == 0) or error other than ENXIO */ + close_and_try_next_loopN: close(lfd); try_next_loopN: rc = -1; |