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system/dd: check infile/outfile when closing

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Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
This commit is contained in:
dongjiuzhu1 2025-04-13 21:48:37 +08:00 • committed by Lup Yuen Lee
parent 721d79fb73
commit be6a45cb14
1 changed files with 19 additions and 3 deletions
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22
system/dd/dd_main.c
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@ -490,14 +490,30 @@ int main(int argc, FAR char **argv)
}
errout_with_outf:
close(dd.outfd);
if (outfile)
{
dd.outfd = close(dd.outfd);
if (dd.outfd < 0)
{
fprintf(stderr, "%s failed to close outfd:%s\n",
g_dd, strerror(errno));
}
}
errout_with_inf:
close(dd.infd);
if (infile)
{
dd.infd = close(dd.infd);
if (dd.infd < 0)
{
fprintf(stderr, "%s failed to close infd:%s\n",
g_dd, strerror(errno));
}
}
errout_with_alloc:
free(dd.buffer);
errout_with_paths:
return ret;
return ret < 0 ? ret : (dd.outfd < 0 ? dd.outfd : dd.infd);
}