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util/nvmutil: cmd copy/swap: use word/setWord

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this means that we make use of the boundary checks. it's just
a safer way of handling these functions.

Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2026-03-03 01:18:23 +00:00
parent 566ae72ca3
commit a7cc8143a7
1 changed files with 6 additions and 6 deletions
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util/nvmutil/nvmutil.c
+6 -6
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@@ -356,8 +356,8 @@ void
cmd_copy(void) cmd_copy(void)
{ {
err_if(!goodChecksum(part)); err_if(!goodChecksum(part));
for (int c = 0; c < SIZE_4KB; c++) for (int c = 0; c < (SIZE_4KB >> 1); c++)
gbe[part ^ 1][c] = gbe[part][c]; setWord(c, part ^ 1, word(c, part));
} }
void void
@@ -365,10 +365,10 @@ cmd_swap(void) {
err_if(!(goodChecksum(0) || goodChecksum(1))); err_if(!(goodChecksum(0) || goodChecksum(1)));
errno = 0; errno = 0;
for (int c = 0; c < SIZE_4KB; c++) { for (int c = 0; c < (SIZE_4KB >> 1); c++) {
uint8_t chg = gbe[0][c]; uint16_t chg = word(c, 0);
gbe[0][c] = gbe[1][c]; setWord(c, 0, word(c, 1));
gbe[1][c] = chg; setWord(c, 1, chg);
} }
} }