Message ID | 20220611114945.24045-1-liqiong@nfschina.com (mailing list archive) |
---|---|
State | Handled Elsewhere |
Headers | show |
Series | soc: fsl: qe: Check of ioremap return value in qe_reset | expand |
Context | Check | Description |
---|---|---|
snowpatch_ozlabs/github-powerpc_clang | success | Successfully ran 7 jobs. |
snowpatch_ozlabs/github-powerpc_sparse | success | Successfully ran 4 jobs. |
snowpatch_ozlabs/github-powerpc_kernel_qemu | success | Successfully ran 23 jobs. |
diff --git a/drivers/soc/fsl/qe/qe.c b/drivers/soc/fsl/qe/qe.c index b3c226eb5292..3c0948c2440e 100644 --- a/drivers/soc/fsl/qe/qe.c +++ b/drivers/soc/fsl/qe/qe.c @@ -88,6 +88,11 @@ void qe_reset(void) if (qe_immr == NULL) qe_immr = ioremap(get_qe_base(), QE_IMMAP_SIZE); + if (!qe_immr) { + pr_err("%s: failed to ioremap()\n", __func__); + return; + } + qe_snums_init(); qe_issue_cmd(QE_RESET, QE_CR_SUBBLOCK_INVALID,
As the possible failure of the ioremap(), the qe_immr could be NULL. Therefore it should be better to check it and print error message. Signed-off-by: Li Qiong <liqiong@nfschina.com> --- drivers/soc/fsl/qe/qe.c | 5 +++++ 1 file changed, 5 insertions(+)