"Das U-Boot" Source Tree
cmd: zip: Use map_sysmem() with buffers in the zip command
The current implementation casts an address to a pointer. Make it more
sandbox-friendly by using map_sysmem().
Use symbolic return value for the command while updating
the return value handling.
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
authored by
Marek Vasut
and committed by
Tom Rini
3a76ba66
f2c704c0
+14
-3
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-3
cmd/zip.c
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cmd/zip.c
···
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#include <command.h>
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#include <env.h>
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#include <gzip.h>
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#include <mapmem.h>
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#include <vsprintf.h>
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static int do_zip(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
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{
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unsigned long src, dst;
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unsigned long src_len, dst_len = ~0UL;
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void *srcp, *dstp;
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int ret;
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switch (argc) {
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case 5:
···
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return cmd_usage(cmdtp);
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}
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if (gzip((void *) dst, &dst_len, (void *) src, src_len) != 0)
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return 1;
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srcp = map_sysmem(src, src_len);
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dstp = map_sysmem(dst, dst_len);
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ret = gzip(dstp, &dst_len, srcp, src_len);
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unmap_sysmem(dstp);
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unmap_sysmem(srcp);
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if (ret)
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return CMD_RET_FAILURE;
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printf("Compressed size: %lu = 0x%lX\n", dst_len, dst_len);
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env_set_hex("filesize", dst_len);
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return 0;
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return CMD_RET_SUCCESS;
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}
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U_BOOT_CMD(