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authorThomas Bogendoerfer <tsbogend@alpha.franken.de>2021-01-22 12:44:49 +0100
committerThomas Bogendoerfer <tsbogend@alpha.franken.de>2021-01-27 21:49:16 +0100
commit7cf52001ee7b5dbcf0bf81e26ac4dd261b128b70 (patch)
tree3e8630bd5a42aa57c6e499352d749c1f9d4208e1
parent5b2d6d2d602068ae0568f990e850ad80e1f701d3 (diff)
MIPS: vpe: Remove vpe_getcwd
I couldn't find any user of the dubious vpe_getcwd so far. So remove it and get rid of another set_fs(KERNEL_DS). Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
-rw-r--r--arch/mips/include/asm/vpe.h3
-rw-r--r--arch/mips/kernel/vpe.c33
2 files changed, 0 insertions, 36 deletions
diff --git a/arch/mips/include/asm/vpe.h b/arch/mips/include/asm/vpe.h
index 80e70dbd1f64..baa949a744cb 100644
--- a/arch/mips/include/asm/vpe.h
+++ b/arch/mips/include/asm/vpe.h
@@ -26,7 +26,6 @@
#endif
#define MAX_VPES 16
-#define VPE_PATH_MAX 256
static inline int aprp_cpu_index(void)
{
@@ -62,7 +61,6 @@ struct vpe {
unsigned long len;
char *pbuffer;
unsigned long plen;
- char cwd[VPE_PATH_MAX];
unsigned long __start;
@@ -111,7 +109,6 @@ extern const struct file_operations vpe_fops;
int vpe_notify(int index, struct vpe_notifications *notify);
void *vpe_get_shared(int index);
-char *vpe_getcwd(int index);
struct vpe *get_vpe(int minor);
struct tc *get_tc(int index);
diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
index d0d832ab3d3b..13294972707b 100644
--- a/arch/mips/kernel/vpe.c
+++ b/arch/mips/kernel/vpe.c
@@ -746,28 +746,12 @@ static int vpe_elfload(struct vpe *v)
return 0;
}
-static int getcwd(char *buff, int size)
-{
- mm_segment_t old_fs;
- int ret;
-
- old_fs = get_fs();
- set_fs(KERNEL_DS);
-
- ret = sys_getcwd(buff, size);
-
- set_fs(old_fs);
-
- return ret;
-}
-
/* checks VPE is unused and gets ready to load program */
static int vpe_open(struct inode *inode, struct file *filp)
{
enum vpe_state state;
struct vpe_notifications *notifier;
struct vpe *v;
- int ret;
if (VPE_MODULE_MINOR != iminor(inode)) {
/* assume only 1 device at the moment. */
@@ -803,12 +787,6 @@ static int vpe_open(struct inode *inode, struct file *filp)
v->plen = P_SIZE;
v->load_addr = NULL;
v->len = 0;
-
- v->cwd[0] = 0;
- ret = getcwd(v->cwd, VPE_PATH_MAX);
- if (ret < 0)
- pr_warn("VPE loader: open, getcwd returned %d\n", ret);
-
v->shared_ptr = NULL;
v->__start = 0;
@@ -915,17 +893,6 @@ int vpe_notify(int index, struct vpe_notifications *notify)
}
EXPORT_SYMBOL(vpe_notify);
-char *vpe_getcwd(int index)
-{
- struct vpe *v = get_vpe(index);
-
- if (v == NULL)
- return NULL;
-
- return v->cwd;
-}
-EXPORT_SYMBOL(vpe_getcwd);
-
module_init(vpe_module_init);
module_exit(vpe_module_exit);
MODULE_DESCRIPTION("MIPS VPE Loader");