diff options
| author |   Shawn Lin <shawn.lin@rock-chips.com> | 2016-08-21 15:57:33 +0800 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-08-24 11:20:58 -0300 |
| commit | ffe67c2fabf128122b30fbf0ac498928e171b0b3 (patch) | |
| tree | f0c0aa161d0b99b078817b3750f59df9d081f99c /tools/perf/util/lzma.c | |
| parent | perf probe: Remove unused tracing_dir variable (diff) | |
| download | wireguard-linux-ffe67c2fabf128122b30fbf0ac498928e171b0b3.tar.xz wireguard-linux-ffe67c2fabf128122b30fbf0ac498928e171b0b3.zip | |
perf tools: Fix error handling of lzma decompression
lzma_decompress_to_file() never actually closes the file pointer, let's
fix it.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1471766253-1964-1-git-send-email-shawn.lin@rock-chips.com
[ Make err = -1, the common case, set it to 0 before the error label ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/lzma.c')
| -rw-r--r-- | tools/perf/util/lzma.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/tools/perf/util/lzma.c b/tools/perf/util/lzma.c index 95a1acb61245..9ddea5cecd94 100644 --- a/tools/perf/util/lzma.c +++ b/tools/perf/util/lzma.c @@ -29,6 +29,7 @@ int lzma_decompress_to_file(const char *input, int output_fd) lzma_action action = LZMA_RUN; lzma_stream strm = LZMA_STREAM_INIT; lzma_ret ret; + int err = -1; u8 buf_in[BUFSIZE]; u8 buf_out[BUFSIZE]; @@ -45,7 +46,7 @@ int lzma_decompress_to_file(const char *input, int output_fd) if (ret != LZMA_OK) { pr_err("lzma: lzma_stream_decoder failed %s (%d)\n", lzma_strerror(ret), ret); - return -1; + goto err_fclose; } strm.next_in = NULL; @@ -60,7 +61,7 @@ int lzma_decompress_to_file(const char *input, int output_fd) if (ferror(infile)) { pr_err("lzma: read error: %s\n", strerror(errno)); - return -1; + goto err_fclose; } if (feof(infile)) @@ -74,7 +75,7 @@ int lzma_decompress_to_file(const char *input, int output_fd) if (writen(output_fd, buf_out, write_size) != write_size) { pr_err("lzma: write error: %s\n", strerror(errno)); - return -1; + goto err_fclose; } strm.next_out = buf_out; @@ -83,13 +84,15 @@ int lzma_decompress_to_file(const char *input, int output_fd) if (ret != LZMA_OK) { if (ret == LZMA_STREAM_END) - return 0; + break; pr_err("lzma: failed %s\n", lzma_strerror(ret)); - return -1; + goto err_fclose; } } + err = 0; +err_fclose: fclose(infile); - return 0; + return err; } |