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xfree86: fix readlink call 

Misplaced parenthesis caused us to compare the sizeof, not the readlink return
value.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
(cherry picked from commit bd5fe7593f)
This commit is contained in:
Peter Hutterer 2018-10-16 09:42:51 +10:00 committed by Adam Jackson
parent 2a0c6c15c3
commit cfc3dec09e
1 changed files with 1 additions and 1 deletions
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hw/xfree86/fbdevhw/fbdevhw.c
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@ -336,7 +336,7 @@ fbdev_open(int scrnIndex, const char *dev, char **namep)
char *node = strrchr(dev, '/') + 1; char *node = strrchr(dev, '/') + 1;
if (asprintf(&sysfs_path, "/sys/class/graphics/%s", node) < 0 || if (asprintf(&sysfs_path, "/sys/class/graphics/%s", node) < 0 ||
readlink(sysfs_path, buf, sizeof(buf) < 0) || readlink(sysfs_path, buf, sizeof(buf)) < 0 ||
strstr(buf, "devices/pci")) { strstr(buf, "devices/pci")) {
free(sysfs_path); free(sysfs_path);
close(fd); close(fd);