dmi: fix segfault when physmap_ro() fails to map DMI area
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Message ID 20191128071049.3879-1-svens@stackframe.org
State New
Headers show
Series
  • dmi: fix segfault when physmap_ro() fails to map DMI area
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Commit Message

Sven Schnelle Nov. 28, 2019, 7:10 a.m. UTC
physmap_ro() returns ERROR_PTR and not NULL on failure.

Change-Id: I365ebfeb985508253d3ec27f9d9f47491d77b7ed
Signed-off-by: Sven Schnelle <svens@stackframe.org>
---
 dmi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch
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diff --git a/dmi.c b/dmi.c
index c44221c..7488d61 100644
--- a/dmi.c
+++ b/dmi.c
@@ -164,7 +164,7 @@  static void dmi_table(uint32_t base, uint16_t len, uint16_t num)
 	unsigned int i = 0, j = 0;
 
 	uint8_t *dmi_table_mem = physmap_ro("DMI Table", base, len);
-	if (dmi_table_mem == NULL) {
+	if (dmi_table_mem == ERROR_PTR) {
 		msg_perr("Unable to access DMI Table\n");
 		return;
 	}