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pci: Add checks for valid cmdline arguments

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Currently pci command ignores invalid cmdline arguments and do something.
Add checks that all passed arguments were processed.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Pali Rohár
2022-01-17 16:38:39 +01:00
committed by Tom Rini
parent 39320935cc
commit 6850a5a8e2
1 changed files with 5 additions and 0 deletions
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5
cmd/pci.c
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@@ -523,7 +523,12 @@ static int do_pci(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
}
if (argc > 2 || (argc > 1 && cmd != 'r' && argv[1][0] != 's')) {
busnum = hextoul(argv[argc - 1], NULL);
argc--;
}
if (cmd == 'r' && argc > 2)
goto usage;
else if (cmd != 'r' && (argc > 2 || (argc == 2 && argv[1][0] != 's')))
goto usage;
}
ret = uclass_get_device_by_seq(UCLASS_PCI, busnum, &bus);
if (ret) {