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util/nvmutil: pass size_t to read, not ssize_t

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ssize_t is signed, which could be negative.

in practise, we control the value that's going in anyway.

Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2026-03-03 22:55:00 +00:00
parent 3077f51c67
commit 3268c225d6
1 changed files with 4 additions and 4 deletions
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util/nvmutil/nvmutil.c
+4 -4
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@@ -27,8 +27,8 @@ static void check_mac_separator(int);
static void set_mac_nib(int, int, uint8_t *); static void set_mac_nib(int, int, uint8_t *);
static uint8_t hextonum(char); static uint8_t hextonum(char);
static uint8_t rhex(void); static uint8_t rhex(void);
static void read_urandom(uint8_t *, ssize_t); static void read_urandom(uint8_t *, size_t);
static int valid_read(const char *, ssize_t, ssize_t, int); static int valid_read(const char *, ssize_t, size_t, int);
static int write_mac_part(int); static int write_mac_part(int);
static void cmd_dump(void); static void cmd_dump(void);
static void print_mac_address(int); static void print_mac_address(int);
@@ -367,7 +367,7 @@ rhex(void)
} }
static void static void
read_urandom(uint8_t *rnum, ssize_t rsize) read_urandom(uint8_t *rnum, size_t rsize)
{ {
int retry = 0; int retry = 0;
ssize_t rval; ssize_t rval;
@@ -380,7 +380,7 @@ read_urandom(uint8_t *rnum, ssize_t rsize)
} }
static int static int
valid_read(const char *rpath, ssize_t rval, ssize_t rsize, int retry) valid_read(const char *rpath, ssize_t rval, size_t rsize, int retry)
{ {
if (rval == (ssize_t) rsize) if (rval == (ssize_t) rsize)
return 1; return 1;