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qemu-img: Fix segmentation fault 

The following command generates a segmentation fault.
qemu-img convert -O vpc -o ? test test2
This is because the 'goto out;' statement calls qemu_progress_end
before qemu_progress_init is called resulting in a NULL pointer
invocation.

Signed-off-by: Charles Arnold <carnold@suse.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Charles Arnold 2012-05-11 10:57:54 -06:00 committed by Kevin Wolf
parent c44bfe4637
commit fa170c148b
1 changed files with 3 additions and 1 deletions
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4
qemu-img.c
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@ -712,6 +712,9 @@ static int img_convert(int argc, char **argv)
out_filename = argv[argc - 1];
/* Initialize before goto out */
qemu_progress_init(progress, 2.0);
if (options && !strcmp(options, "?")) {
ret = print_block_option_help(out_filename, out_fmt);
goto out;
@ -724,7 +727,6 @@ static int img_convert(int argc, char **argv)
goto out;
}
qemu_progress_init(progress, 2.0);
qemu_progress_print(0, 100);
bs = g_malloc0(bs_n * sizeof(BlockDriverState *));