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efi_loader: size of media device path node represenation

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In the format specifier we want to specify the maximum width
in case an ending \0 is missing.

So slen must be used as precision and not as field width.

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Heinrich Schuchardt 2017-11-26 14:05:07 +01:00 • committed by Alexander Graf
parent 8300be612c
commit 0741226f65
1 changed files with 1 additions and 1 deletions
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2
lib/efi_loader/efi_device_path_to_text.c
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@ -153,7 +153,7 @@ static char *dp_media(char *s, struct efi_device_path *dp)
struct efi_device_path_file_path *fp =
(struct efi_device_path_file_path *)dp;
int slen = (dp->length - sizeof(*dp)) / 2;
s += sprintf(s, "/%-*ls", slen, fp->str);
s += sprintf(s, "/%-.*ls", slen, fp->str);
break;
}
default: