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authorLinus Torvalds <torvalds@linux-foundation.org>2017-02-03 14:50:42 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-03 14:50:42 -0800
commit7a92cc6bcbc90bf72e57eff2dc29900a636c2d0d (patch)
tree1c0524a39a06e72fc13489441f44a65e7c2dfefb /fs/iomap.c
parent3f67790d2b7e322bcf363ec717085dd78c3ea7cd (diff)
parent5abf186a30a89d5b9c18a6bf93a2c192c9fd52f6 (diff)
downloadlinux-7a92cc6bcbc90bf72e57eff2dc29900a636c2d0d.tar.bz2
Merge branch 'akpm' (patches from Andrew)
Merge fixes from Andrew Morton: "8 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: mm, fs: check for fatal signals in do_generic_file_read() fs: break out of iomap_file_buffered_write on fatal signals base/memory, hotplug: fix a kernel oops in show_valid_zones() mm/memory_hotplug.c: check start_pfn in test_pages_in_a_zone() jump label: pass kbuild_cflags when checking for asm goto support shmem: fix sleeping from atomic context kasan: respect /proc/sys/kernel/traceoff_on_warning zswap: disable changing params if init fails
Diffstat (limited to 'fs/iomap.c')
-rw-r--r--fs/iomap.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/iomap.c b/fs/iomap.c
index 354a123f170e..a51cb4c07d4d 100644
--- a/fs/iomap.c
+++ b/fs/iomap.c
@@ -114,6 +114,9 @@ iomap_write_begin(struct inode *inode, loff_t pos, unsigned len, unsigned flags,
BUG_ON(pos + len > iomap->offset + iomap->length);
+ if (fatal_signal_pending(current))
+ return -EINTR;
+
page = grab_cache_page_write_begin(inode->i_mapping, index, flags);
if (!page)
return -ENOMEM;