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| author | Arthur Heymans <arthur@aheymans.xyz> | 2018-08-01 17:21:32 +0200 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2018-08-02 21:55:20 +0000 |
| commit | 8cd17eae2fca33671df544fe209a994105531e94 (patch) | |
| tree | cc3976c021fff5e6c78b1a81eba3be4a49f28c57 /util/cbmem | |
| parent | 4af5d9a94a2b0ac7d5a4c9780f005c0d52489e1f (diff) | |
util/cbmem: Handle arguments more carefully
Check if all arguments are handled by getopt and if not print the usage.
Change-Id: Iccbb65ca768a62791af54afd9b7903495bc690af
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/27777
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Diffstat (limited to 'util/cbmem')
| -rw-r--r-- | util/cbmem/cbmem.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/util/cbmem/cbmem.c b/util/cbmem/cbmem.c index 3435c4c667..8ab80b0a59 100644 --- a/util/cbmem/cbmem.c +++ b/util/cbmem/cbmem.c @@ -1327,6 +1327,11 @@ int main(int argc, char** argv) } } + if (optind < argc) { + fprintf(stderr, "Error: Extra parameter found.\n"); + print_usage(argv[0], 1); + } + mem_fd = open("/dev/mem", O_RDONLY, 0); if (mem_fd < 0) { fprintf(stderr, "Failed to gain memory access: %s\n", |