Message ID | 8cf29a932c9445f686a97d99dd9b9122@rwthex-w2-b.rwth-ad.de |
---|---|
State | Accepted |
Commit | 454e3d90302d52b619e6df7ebbe716964cee016e |
Delegated to: | Tom Rini |
Headers | show |
On 11 September 2016 at 14:51, Stefan Brüns <stefan.bruens@rwth-aachen.de> wrote: > argc is checked, but is off by one. In case <bytes> is not specified, > create an empty file, which is identical to the ext4write behaviour. > > Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de> > --- > cmd/fat.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) Reviewed-by: Simon Glass <sjg@chromium.org>
On Sun, Sep 11, 2016 at 10:51:42PM +0200, Stefan Brüns wrote: > argc is checked, but is off by one. In case <bytes> is not specified, > create an empty file, which is identical to the ext4write behaviour. > > Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de> > Reviewed-by: Simon Glass <sjg@chromium.org> Applied to u-boot/master, thanks!
diff --git a/cmd/fat.c b/cmd/fat.c index 4e20746..ad1dc2a 100644 --- a/cmd/fat.c +++ b/cmd/fat.c @@ -126,7 +126,7 @@ static int do_fat_fswrite(cmd_tbl_t *cmdtp, int flag, return 1; } addr = simple_strtoul(argv[3], NULL, 16); - count = simple_strtoul(argv[5], NULL, 16); + count = (argc <= 5) ? 0 : simple_strtoul(argv[5], NULL, 16); buf = map_sysmem(addr, count); ret = file_fat_write(argv[4], buf, 0, count, &size); @@ -145,7 +145,7 @@ static int do_fat_fswrite(cmd_tbl_t *cmdtp, int flag, U_BOOT_CMD( fatwrite, 6, 0, do_fat_fswrite, "write file into a dos filesystem", - "<interface> <dev[:part]> <addr> <filename> <bytes>\n" + "<interface> <dev[:part]> <addr> <filename> [<bytes>]\n" " - write file 'filename' from the address 'addr' in RAM\n" " to 'dev' on 'interface'" );
argc is checked, but is off by one. In case <bytes> is not specified, create an empty file, which is identical to the ext4write behaviour. Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de> --- cmd/fat.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)