diff options
| author | Patrick Georgi <pgeorgi@chromium.org> | 2016-12-13 15:47:22 +0100 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2016-12-14 15:58:22 +0100 |
| commit | 83f75bfeb93194e1a41a7c69431f5249cc04b4e8 (patch) | |
| tree | f0c83dc9d1c76d9a4a82686431dd82c03981b2a8 /payloads/libpayload/curses | |
| parent | cf3b306cafdb76493ff605c5dd05bbd602293147 (diff) | |
| download | coreboot-83f75bfeb93194e1a41a7c69431f5249cc04b4e8.tar.xz | |
libpayload/.../PDCurses: avoid reading orig before NULL checking it
Coverity complains and that (unfortunately) means that some compiler
might take advantage of the same fact.
Change-Id: I59aff77820c524fa5a0fcb251c1268da475101fb
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Found-by: Coverity Scan #1261105
Reviewed-on: https://review.coreboot.org/17835
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'payloads/libpayload/curses')
| -rw-r--r-- | payloads/libpayload/curses/PDCurses/pdcurses/window.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/payloads/libpayload/curses/PDCurses/pdcurses/window.c b/payloads/libpayload/curses/PDCurses/pdcurses/window.c index b5634c7c37..24c5fd29d3 100644 --- a/payloads/libpayload/curses/PDCurses/pdcurses/window.c +++ b/payloads/libpayload/curses/PDCurses/pdcurses/window.c @@ -294,9 +294,7 @@ int mvwin(WINDOW *win, int y, int x) WINDOW *subwin(WINDOW *orig, int nlines, int ncols, int begy, int begx) { WINDOW *win; - int i; - int j = begy - orig->_begy; - int k = begx - orig->_begx; + int i, j, k; PDC_LOG(("subwin() - called: lines %d cols %d begy %d begx %d\n", nlines, ncols, begy, begx)); @@ -308,6 +306,9 @@ WINDOW *subwin(WINDOW *orig, int nlines, int ncols, int begy, int begx) (begx + ncols) > (orig->_begx + orig->_maxx)) return (WINDOW *)NULL; + j = begy - orig->_begy; + k = begx - orig->_begx; + if (!nlines) nlines = orig->_maxy - 1 - j; if (!ncols) |