diff options
| author | Xiang Wang <wxjstz@126.com> | 2019-03-06 10:29:34 +0300 |
|---|---|---|
| committer | Atish Patra <atishp04@gmail.com> | 2019-03-06 22:10:35 +0300 |
| commit | 9eb8f0f90d5c873576d18d405bbd932ad9688741 (patch) | |
| tree | b1e5b974fe6d35fef9b141c955ba8ddad43cdf87 /lib/sbi_ipi.c | |
| parent | 27fae182dc54e08314034a03eeb583b94c64f4c8 (diff) | |
| download | opensbi-9eb8f0f90d5c873576d18d405bbd932ad9688741.tar.xz | |
platform: Make the `platform` read-only
platform should be a read-only variable, if it is placed in the data
segment, it may be exploited.
Signed-off-by: Xiang Wang <wxjstz@126.com>
Diffstat (limited to 'lib/sbi_ipi.c')
| -rw-r--r-- | lib/sbi_ipi.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/sbi_ipi.c b/lib/sbi_ipi.c index 5f189c8..0e371d7 100644 --- a/lib/sbi_ipi.c +++ b/lib/sbi_ipi.c @@ -22,7 +22,7 @@ static int sbi_ipi_send(struct sbi_scratch *scratch, u32 hartid, u32 event) { struct sbi_scratch *remote_scratch = NULL; - struct sbi_platform *plat = sbi_platform_ptr(scratch); + const struct sbi_platform *plat = sbi_platform_ptr(scratch); if (sbi_platform_hart_disabled(plat, hartid)) return -1; @@ -72,7 +72,7 @@ void sbi_ipi_clear_smode(struct sbi_scratch *scratch) void sbi_ipi_process(struct sbi_scratch *scratch) { - struct sbi_platform *plat = sbi_platform_ptr(scratch); + const struct sbi_platform *plat = sbi_platform_ptr(scratch); volatile unsigned long ipi_type; unsigned int ipi_event; u32 hartid = sbi_current_hartid(); |