Smart gcc noticed use of uninitialized warning when compiled
with -O0 flags:
mkfs.c:1291: error: 'file' may be used uninitialized in this function
Signed-off-by: Sergei Trofimovich <[email protected]>
---
mkfs.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/mkfs.c b/mkfs.c
index a65fb4d..44a05e8 100644
--- a/mkfs.c
+++ b/mkfs.c
@@ -1272,47 +1272,47 @@ int main(int ac, char **av)
fprintf(stderr, "error checking %s mount status\n",
file);
exit(1);
}
if (ret == 1) {
fprintf(stderr, "%s is mounted\n", file);
exit(1);
}
ac--;
fd = open(file, O_RDWR);
if (fd < 0) {
fprintf(stderr, "unable to open %s\n", file);
exit(1);
}
first_fd = fd;
first_file = file;
ret = btrfs_prepare_device(fd, file, zero_end,
&dev_block_count, &mixed);
if (block_count == 0)
block_count = dev_block_count;
} else {
ac = 0;
+ file = output;
fd = open_target(output);
if (fd < 0) {
fprintf(stderr, "unable to open the %s\n", file);
exit(1);
}
- file = output;
first_fd = fd;
first_file = file;
block_count = size_sourcedir(source_dir, sectorsize,
&num_of_meta_chunks,
&size_of_data);
ret = zero_output_file(fd, block_count, sectorsize);
if (ret) {
fprintf(stderr, "unable to zero the output file\n");
exit(1);
}
}
if (mixed) {
if (!metadata_profile_opt)
metadata_profile = 0;
if (!data_profile_opt)
data_profile = 0;
if (metadata_profile != data_profile) {
fprintf(stderr, "With mixed block groups data and
metadata "
"profiles must be the same\n");
exit(1);
--
1.7.3.4
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